40900005

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 77875200

約数和(自身を除く): 36975195

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 135, 145, 155, 261, 279, 337, 435, 465, 783, 837, 899, 1011, 1305, 1395, 1685, 2697, 3033, 3915, 4185, 4495, 5055, 8091, 9099, 9773, 10447, 13485, 15165, 24273, 29319, 31341, 40455, 45495, 48865, 52235, 87957, 94023, 121365, 146595, 156705, 263871, 282069, 302963, 439785, 470115, 908889, 1319355, 1410345, 1514815, 2726667, 4544445, 8180001, 13633335, 40900005]

約数ペア:

[(1, 40900005), (3, 13633335), (5, 8180001), (9, 4544445), (15, 2726667), (27, 1514815), (29, 1410345), (31, 1319355), (45, 908889), (87, 470115), (93, 439785), (135, 302963), (145, 282069), (155, 263871), (261, 156705), (279, 146595), (337, 121365), (435, 94023), (465, 87957), (783, 52235), (837, 48865), (899, 45495), (1011, 40455), (1305, 31341), (1395, 29319), (1685, 24273), (2697, 15165), (3033, 13485), (3915, 10447), (4185, 9773), (4495, 9099), (5055, 8091)]