27980979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13537}}^1$

素因数の和:13606

約数の個数: 16

約数和(自身を含む): 40938912

約数和(自身を除く): 12957933

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13537, 40611, 175981, 527943, 717461, 2152383, 9326993, 27980979]

約数ペア:

[(1, 27980979), (3, 9326993), (13, 2152383), (39, 717461), (53, 527943), (159, 175981), (689, 40611), (2067, 13537)]