71726715

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 137998080

約数和(自身を除く): 66271365

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 81, 87, 93, 135, 145, 155, 197, 261, 279, 405, 435, 465, 591, 783, 837, 899, 985, 1305, 1395, 1773, 2349, 2511, 2697, 2955, 3915, 4185, 4495, 5319, 5713, 6107, 8091, 8865, 11745, 12555, 13485, 15957, 17139, 18321, 24273, 26595, 28565, 30535, 40455, 51417, 54963, 72819, 79785, 85695, 91605, 121365, 154251, 164889, 177103, 257085, 274815, 364095, 462753, 494667, 531309, 771255, 824445, 885515, 1593927, 2313765, 2473335, 2656545, 4781781, 7969635, 14345343, 23908905, 71726715]

約数ペア:

[(1, 71726715), (3, 23908905), (5, 14345343), (9, 7969635), (15, 4781781), (27, 2656545), (29, 2473335), (31, 2313765), (45, 1593927), (81, 885515), (87, 824445), (93, 771255), (135, 531309), (145, 494667), (155, 462753), (197, 364095), (261, 274815), (279, 257085), (405, 177103), (435, 164889), (465, 154251), (591, 121365), (783, 91605), (837, 85695), (899, 79785), (985, 72819), (1305, 54963), (1395, 51417), (1773, 40455), (2349, 30535), (2511, 28565), (2697, 26595), (2955, 24273), (3915, 18321), (4185, 17139), (4495, 15957), (5319, 13485), (5713, 12555), (6107, 11745), (8091, 8865)]