25422615

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 20291625

約数列:

[1, 3, 5, 9, 15, 45, 71, 73, 109, 213, 219, 327, 355, 365, 545, 639, 657, 981, 1065, 1095, 1635, 3195, 3285, 4905, 5183, 7739, 7957, 15549, 23217, 23871, 25915, 38695, 39785, 46647, 69651, 71613, 77745, 116085, 119355, 233235, 348255, 358065, 564947, 1694841, 2824735, 5084523, 8474205, 25422615]

約数ペア:

[(1, 25422615), (3, 8474205), (5, 5084523), (9, 2824735), (15, 1694841), (45, 564947), (71, 358065), (73, 348255), (109, 233235), (213, 119355), (219, 116085), (327, 77745), (355, 71613), (365, 69651), (545, 46647), (639, 39785), (657, 38695), (981, 25915), (1065, 23871), (1095, 23217), (1635, 15549), (3195, 7957), (3285, 7739), (4905, 5183)]