68407545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1123}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 113946624

約数和(自身を除く): 45539079

約数列:

[1, 3, 5, 15, 31, 93, 131, 155, 393, 465, 655, 1123, 1965, 3369, 4061, 5615, 12183, 16845, 20305, 34813, 60915, 104439, 147113, 174065, 441339, 522195, 735565, 2206695, 4560503, 13681509, 22802515, 68407545]

約数ペア:

[(1, 68407545), (3, 22802515), (5, 13681509), (15, 4560503), (31, 2206695), (93, 735565), (131, 522195), (155, 441339), (393, 174065), (465, 147113), (655, 104439), (1123, 60915), (1965, 34813), (3369, 20305), (4061, 16845), (5615, 12183)]