12778520835

素因数分解:

$3^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{660901}}^1$

素因数の和:662198

約数の個数: 16

約数和(自身を含む): 20461525920

約数和(自身を除く): 7683005085

約数列:

[1, 3, 5, 15, 1289, 3867, 6445, 19335, 660901, 1982703, 3304505, 9913515, 851901389, 2555704167, 4259506945, 12778520835]

約数ペア:

[(1, 12778520835), (3, 4259506945), (5, 2555704167), (15, 851901389), (1289, 9913515), (3867, 3304505), (6445, 1982703), (19335, 660901)]