25125405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2725

約数の個数: 32

約数和(自身を含む): 43732224

約数和(自身を除く): 18606819

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2663, 3145, 7989, 9435, 13315, 39945, 45271, 98531, 135813, 226355, 295593, 492655, 679065, 1477965, 1675027, 5025081, 8375135, 25125405]

約数ペア:

[(1, 25125405), (3, 8375135), (5, 5025081), (15, 1675027), (17, 1477965), (37, 679065), (51, 492655), (85, 295593), (111, 226355), (185, 135813), (255, 98531), (555, 45271), (629, 39945), (1887, 13315), (2663, 9435), (3145, 7989)]