39438045

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 74760192

約数和(自身を除く): 35322147

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 1395, 1581, 1663, 2635, 4743, 4989, 7905, 8315, 14967, 23715, 24945, 28271, 51553, 74835, 84813, 141355, 154659, 254439, 257765, 424065, 463977, 773295, 876401, 1272195, 2319885, 2629203, 4382005, 7887609, 13146015, 39438045]

約数ペア:

[(1, 39438045), (3, 13146015), (5, 7887609), (9, 4382005), (15, 2629203), (17, 2319885), (31, 1272195), (45, 876401), (51, 773295), (85, 463977), (93, 424065), (153, 257765), (155, 254439), (255, 154659), (279, 141355), (465, 84813), (527, 74835), (765, 51553), (1395, 28271), (1581, 24945), (1663, 23715), (2635, 14967), (4743, 8315), (4989, 7905)]