28961163

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 55211520

約数和(自身を除く): 26250357

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 79, 99, 161, 207, 231, 237, 253, 483, 529, 553, 693, 711, 759, 869, 1449, 1587, 1659, 1771, 1817, 2277, 2607, 3703, 4761, 4977, 5313, 5451, 5819, 6083, 7821, 11109, 12719, 15939, 16353, 17457, 18249, 19987, 33327, 38157, 40733, 41791, 52371, 54747, 59961, 114471, 122199, 125373, 139909, 179883, 292537, 366597, 376119, 419727, 459701, 877611, 1259181, 1379103, 2632833, 3217907, 4137309, 9653721, 28961163]

約数ペア:

[(1, 28961163), (3, 9653721), (7, 4137309), (9, 3217907), (11, 2632833), (21, 1379103), (23, 1259181), (33, 877611), (63, 459701), (69, 419727), (77, 376119), (79, 366597), (99, 292537), (161, 179883), (207, 139909), (231, 125373), (237, 122199), (253, 114471), (483, 59961), (529, 54747), (553, 52371), (693, 41791), (711, 40733), (759, 38157), (869, 33327), (1449, 19987), (1587, 18249), (1659, 17457), (1771, 16353), (1817, 15939), (2277, 12719), (2607, 11109), (3703, 7821), (4761, 6083), (4977, 5819), (5313, 5451)]