143148925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19813}}^1$

素因数の和:19857

約数の個数: 18

約数和(自身を含む): 188569838

約数和(自身を除く): 45420913

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 19813, 99065, 336821, 495325, 1684105, 5725957, 8420525, 28629785, 143148925]

約数ペア:

[(1, 143148925), (5, 28629785), (17, 8420525), (25, 5725957), (85, 1684105), (289, 495325), (425, 336821), (1445, 99065), (7225, 19813)]