30405515

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 12932725

約数列:

[1, 5, 7, 35, 43, 89, 215, 227, 301, 445, 623, 1135, 1505, 1589, 3115, 3827, 7945, 9761, 19135, 20203, 26789, 48805, 68327, 101015, 133945, 141421, 341635, 707105, 868729, 4343645, 6081103, 30405515]

約数ペア:

[(1, 30405515), (5, 6081103), (7, 4343645), (35, 868729), (43, 707105), (89, 341635), (215, 141421), (227, 133945), (301, 101015), (445, 68327), (623, 48805), (1135, 26789), (1505, 20203), (1589, 19135), (3115, 9761), (3827, 7945)]