404985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 820800

約数和(自身を除く): 415815

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 49, 57, 87, 95, 105, 133, 145, 147, 203, 245, 285, 399, 435, 551, 609, 665, 735, 931, 1015, 1421, 1653, 1995, 2755, 2793, 3045, 3857, 4263, 4655, 7105, 8265, 11571, 13965, 19285, 21315, 26999, 57855, 80997, 134995, 404985]

約数ペア:

[(1, 404985), (3, 134995), (5, 80997), (7, 57855), (15, 26999), (19, 21315), (21, 19285), (29, 13965), (35, 11571), (49, 8265), (57, 7105), (87, 4655), (95, 4263), (105, 3857), (133, 3045), (145, 2793), (147, 2755), (203, 1995), (245, 1653), (285, 1421), (399, 1015), (435, 931), (551, 735), (609, 665)]