1388751471

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{2357}}^1\times {\mathrm{3851}}^1$

素因数の和:6231

約数の個数: 24

約数和(自身を含む): 2125425744

約数和(自身を除く): 736674273

約数列:

[1, 3, 9, 17, 51, 153, 2357, 3851, 7071, 11553, 21213, 34659, 40069, 65467, 120207, 196401, 360621, 589203, 9076807, 27230421, 81691263, 154305719, 462917157, 1388751471]

約数ペア:

[(1, 1388751471), (3, 462917157), (9, 154305719), (17, 81691263), (51, 27230421), (153, 9076807), (2357, 589203), (3851, 360621), (7071, 196401), (11553, 120207), (21213, 65467), (34659, 40069)]