138575685

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 225388800

約数和(自身を除く): 86813115

約数列:

[1, 3, 5, 15, 103, 257, 309, 349, 515, 771, 1047, 1285, 1545, 1745, 3855, 5235, 26471, 35947, 79413, 89693, 107841, 132355, 179735, 269079, 397065, 448465, 539205, 1345395, 9238379, 27715137, 46191895, 138575685]

約数ペア:

[(1, 138575685), (3, 46191895), (5, 27715137), (15, 9238379), (103, 1345395), (257, 539205), (309, 448465), (349, 397065), (515, 269079), (771, 179735), (1047, 132355), (1285, 107841), (1545, 89693), (1745, 79413), (3855, 35947), (5235, 26471)]