64920045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 108057600

約数和(自身を除く): 43137555

約数列:

[1, 3, 5, 15, 31, 93, 149, 155, 447, 465, 745, 937, 2235, 2811, 4619, 4685, 13857, 14055, 23095, 29047, 69285, 87141, 139613, 145235, 418839, 435705, 698065, 2094195, 4328003, 12984009, 21640015, 64920045]

約数ペア:

[(1, 64920045), (3, 21640015), (5, 12984009), (15, 4328003), (31, 2094195), (93, 698065), (149, 435705), (155, 418839), (447, 145235), (465, 139613), (745, 87141), (937, 69285), (2235, 29047), (2811, 23095), (4619, 14055), (4685, 13857)]