856001205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 1617408000

約数和(自身を除く): 761406795

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 71, 95, 171, 177, 213, 239, 285, 295, 355, 531, 639, 717, 855, 885, 1065, 1121, 1195, 1349, 2151, 2655, 3195, 3363, 3585, 4047, 4189, 4541, 5605, 6745, 10089, 10755, 12141, 12567, 13623, 14101, 16815, 16969, 20235, 20945, 22705, 37701, 40869, 42303, 50445, 50907, 60705, 62835, 68115, 70505, 79591, 84845, 126909, 152721, 188505, 204345, 211515, 238773, 254535, 267919, 322411, 397955, 634545, 716319, 763605, 803757, 967233, 1001171, 1193865, 1339595, 1612055, 2411271, 2901699, 3003513, 3581595, 4018785, 4836165, 5005855, 9010539, 12056355, 14508495, 15017565, 19022249, 45052695, 57066747, 95111245, 171200241, 285333735, 856001205]

約数ペア:

[(1, 856001205), (3, 285333735), (5, 171200241), (9, 95111245), (15, 57066747), (19, 45052695), (45, 19022249), (57, 15017565), (59, 14508495), (71, 12056355), (95, 9010539), (171, 5005855), (177, 4836165), (213, 4018785), (239, 3581595), (285, 3003513), (295, 2901699), (355, 2411271), (531, 1612055), (639, 1339595), (717, 1193865), (855, 1001171), (885, 967233), (1065, 803757), (1121, 763605), (1195, 716319), (1349, 634545), (2151, 397955), (2655, 322411), (3195, 267919), (3363, 254535), (3585, 238773), (4047, 211515), (4189, 204345), (4541, 188505), (5605, 152721), (6745, 126909), (10089, 84845), (10755, 79591), (12141, 70505), (12567, 68115), (13623, 62835), (14101, 60705), (16815, 50907), (16969, 50445), (20235, 42303), (20945, 40869), (22705, 37701)]