27421513

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 4719287

約数列:

[1, 7, 61, 149, 427, 431, 1043, 3017, 9089, 26291, 63623, 64219, 184037, 449533, 3917359, 27421513]

約数ペア:

[(1, 27421513), (7, 3917359), (61, 449533), (149, 184037), (427, 64219), (431, 63623), (1043, 26291), (3017, 9089)]