917502495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 2014709760

約数和(自身を除く): 1097207265

約数列:

[1, 3, 5, 7, 13, 15, 17, 19, 21, 35, 39, 51, 57, 65, 85, 91, 95, 105, 119, 133, 195, 221, 247, 255, 273, 285, 323, 357, 399, 455, 595, 663, 665, 741, 969, 1105, 1235, 1365, 1547, 1615, 1729, 1785, 1995, 2081, 2261, 3315, 3705, 4199, 4641, 4845, 5187, 6243, 6783, 7735, 8645, 10405, 11305, 12597, 14567, 20995, 23205, 25935, 27053, 29393, 31215, 33915, 35377, 39539, 43701, 62985, 72835, 81159, 88179, 106131, 118617, 135265, 146965, 176885, 189371, 197695, 218505, 247639, 276773, 405795, 440895, 459901, 514007, 530655, 568113, 593085, 672163, 742917, 830319, 946855, 1238195, 1379703, 1383865, 1542021, 2016489, 2299505, 2570035, 2840565, 3219307, 3360815, 3598049, 3714585, 4151595, 4705141, 6898515, 7710105, 8738119, 9657921, 10082445, 10794147, 14115423, 16096535, 17990245, 23525705, 26214357, 43690595, 48289605, 53970735, 61166833, 70577115, 131071785, 183500499, 305834165, 917502495]

約数ペア:

[(1, 917502495), (3, 305834165), (5, 183500499), (7, 131071785), (13, 70577115), (15, 61166833), (17, 53970735), (19, 48289605), (21, 43690595), (35, 26214357), (39, 23525705), (51, 17990245), (57, 16096535), (65, 14115423), (85, 10794147), (91, 10082445), (95, 9657921), (105, 8738119), (119, 7710105), (133, 6898515), (195, 4705141), (221, 4151595), (247, 3714585), (255, 3598049), (273, 3360815), (285, 3219307), (323, 2840565), (357, 2570035), (399, 2299505), (455, 2016489), (595, 1542021), (663, 1383865), (665, 1379703), (741, 1238195), (969, 946855), (1105, 830319), (1235, 742917), (1365, 672163), (1547, 593085), (1615, 568113), (1729, 530655), (1785, 514007), (1995, 459901), (2081, 440895), (2261, 405795), (3315, 276773), (3705, 247639), (4199, 218505), (4641, 197695), (4845, 189371), (5187, 176885), (6243, 146965), (6783, 135265), (7735, 118617), (8645, 106131), (10405, 88179), (11305, 81159), (12597, 72835), (14567, 62985), (20995, 43701), (23205, 39539), (25935, 35377), (27053, 33915), (29393, 31215)]