3986407005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{285457}}^1$

素因数の和:285498

約数の個数: 48

約数和(自身を含む): 7810130880

約数和(自身を除く): 3823723875

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 285457, 856371, 1427285, 1998199, 4281855, 5423683, 5994597, 9990995, 13987393, 16271049, 27118415, 29972985, 37965781, 41962179, 69936965, 81355245, 113897343, 189828905, 209810895, 265760467, 569486715, 797281401, 1328802335, 3986407005]

約数ペア:

[(1, 3986407005), (3, 1328802335), (5, 797281401), (7, 569486715), (15, 265760467), (19, 209810895), (21, 189828905), (35, 113897343), (49, 81355245), (57, 69936965), (95, 41962179), (105, 37965781), (133, 29972985), (147, 27118415), (245, 16271049), (285, 13987393), (399, 9990995), (665, 5994597), (735, 5423683), (931, 4281855), (1995, 1998199), (2793, 1427285), (4655, 856371), (13965, 285457)]