2151569109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{77761}}^1$

素因数の和:78188

約数の個数: 16

約数和(自身を含む): 3000991104

約数和(自身を除く): 849421995

約数列:

[1, 3, 23, 69, 401, 1203, 9223, 27669, 77761, 233283, 1788503, 5365509, 31182161, 93546483, 717189703, 2151569109]

約数ペア:

[(1, 2151569109), (3, 717189703), (23, 93546483), (69, 31182161), (401, 5365509), (1203, 1788503), (9223, 233283), (27669, 77761)]