27885715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 40271616

約数和(自身を除く): 12385901

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 907, 2365, 2795, 4535, 6149, 9977, 11791, 30745, 39001, 49885, 58955, 129701, 195005, 429011, 507013, 648505, 2145055, 2535065, 5577143, 27885715]

約数ペア:

[(1, 27885715), (5, 5577143), (11, 2535065), (13, 2145055), (43, 648505), (55, 507013), (65, 429011), (143, 195005), (215, 129701), (473, 58955), (559, 49885), (715, 39001), (907, 30745), (2365, 11791), (2795, 9977), (4535, 6149)]