1288391403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1065667}}^1$

素因数の和:1065714

約数の個数: 16

約数和(自身を含む): 1909677056

約数和(自身を除く): 621285653

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1065667, 3197001, 13853671, 33035677, 41561013, 99107031, 429463801, 1288391403]

約数ペア:

[(1, 1288391403), (3, 429463801), (13, 99107031), (31, 41561013), (39, 33035677), (93, 13853671), (403, 3197001), (1209, 1065667)]