139778475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{81031}}^1$

素因数の和:81067

約数の個数: 24

約数和(自身を含む): 241151232

約数和(自身を除く): 101372757

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 81031, 243093, 405155, 1215465, 1863713, 2025775, 5591139, 6077325, 9318565, 27955695, 46592825, 139778475]

約数ペア:

[(1, 139778475), (3, 46592825), (5, 27955695), (15, 9318565), (23, 6077325), (25, 5591139), (69, 2025775), (75, 1863713), (115, 1215465), (345, 405155), (575, 243093), (1725, 81031)]