15420465

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 28574208

約数和(自身を除く): 13153743

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 317, 345, 423, 705, 951, 1035, 1081, 1585, 2115, 2853, 3243, 4755, 5405, 7291, 9729, 14265, 14899, 16215, 21873, 36455, 44697, 48645, 65619, 74495, 109365, 134091, 223485, 328095, 342677, 670455, 1028031, 1713385, 3084093, 5140155, 15420465]

約数ペア:

[(1, 15420465), (3, 5140155), (5, 3084093), (9, 1713385), (15, 1028031), (23, 670455), (45, 342677), (47, 328095), (69, 223485), (115, 134091), (141, 109365), (207, 74495), (235, 65619), (317, 48645), (345, 44697), (423, 36455), (705, 21873), (951, 16215), (1035, 14899), (1081, 14265), (1585, 9729), (2115, 7291), (2853, 5405), (3243, 4755)]