138816915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{613}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 230117376

約数和(自身を除く): 91300461

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 487, 613, 1461, 1839, 2435, 3065, 7305, 9195, 15097, 19003, 45291, 57009, 75485, 95015, 226455, 285045, 298531, 895593, 1492655, 4477965, 9254461, 27763383, 46272305, 138816915]

約数ペア:

[(1, 138816915), (3, 46272305), (5, 27763383), (15, 9254461), (31, 4477965), (93, 1492655), (155, 895593), (465, 298531), (487, 285045), (613, 226455), (1461, 95015), (1839, 75485), (2435, 57009), (3065, 45291), (7305, 19003), (9195, 15097)]