420267855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19717}}^1$

素因数の和:19768

約数の個数: 48

約数和(自身を含む): 809226720

約数和(自身を除く): 388958865

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1421, 3045, 4263, 7105, 19717, 21315, 59151, 98585, 138019, 295755, 414057, 571793, 690095, 966133, 1715379, 2070285, 2858965, 2898399, 4002551, 4830665, 8576895, 12007653, 14491995, 20012755, 28017857, 60038265, 84053571, 140089285, 420267855]

約数ペア:

[(1, 420267855), (3, 140089285), (5, 84053571), (7, 60038265), (15, 28017857), (21, 20012755), (29, 14491995), (35, 12007653), (49, 8576895), (87, 4830665), (105, 4002551), (145, 2898399), (147, 2858965), (203, 2070285), (245, 1715379), (435, 966133), (609, 690095), (735, 571793), (1015, 414057), (1421, 295755), (3045, 138019), (4263, 98585), (7105, 59151), (19717, 21315)]