201913335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 405699840

約数和(自身を除く): 203786505

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 79, 85, 117, 153, 195, 221, 237, 255, 257, 395, 585, 663, 711, 765, 771, 1027, 1105, 1185, 1285, 1343, 1989, 2313, 3081, 3315, 3341, 3555, 3855, 4029, 4369, 5135, 6715, 9243, 9945, 10023, 11565, 12087, 13107, 15405, 16705, 17459, 20145, 20303, 21845, 30069, 39321, 46215, 50115, 52377, 56797, 60435, 60909, 65535, 87295, 101515, 150345, 157131, 170391, 182727, 196605, 261885, 263939, 283985, 304545, 345151, 511173, 785655, 791817, 851955, 913635, 1035453, 1319695, 1725755, 2375451, 2555865, 3106359, 3959085, 4486963, 5177265, 11877255, 13460889, 15531795, 22434815, 40382667, 67304445, 201913335]

約数ペア:

[(1, 201913335), (3, 67304445), (5, 40382667), (9, 22434815), (13, 15531795), (15, 13460889), (17, 11877255), (39, 5177265), (45, 4486963), (51, 3959085), (65, 3106359), (79, 2555865), (85, 2375451), (117, 1725755), (153, 1319695), (195, 1035453), (221, 913635), (237, 851955), (255, 791817), (257, 785655), (395, 511173), (585, 345151), (663, 304545), (711, 283985), (765, 263939), (771, 261885), (1027, 196605), (1105, 182727), (1185, 170391), (1285, 157131), (1343, 150345), (1989, 101515), (2313, 87295), (3081, 65535), (3315, 60909), (3341, 60435), (3555, 56797), (3855, 52377), (4029, 50115), (4369, 46215), (5135, 39321), (6715, 30069), (9243, 21845), (9945, 20303), (10023, 20145), (11565, 17459), (12087, 16705), (13107, 15405)]