15440165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 21500640

約数和(自身を除く): 6060475

約数列:

[1, 5, 13, 17, 65, 85, 89, 157, 221, 445, 785, 1105, 1157, 1513, 2041, 2669, 5785, 7565, 10205, 13345, 13973, 19669, 34697, 69865, 98345, 173485, 181649, 237541, 908245, 1187705, 3088033, 15440165]

約数ペア:

[(1, 15440165), (5, 3088033), (13, 1187705), (17, 908245), (65, 237541), (85, 181649), (89, 173485), (157, 98345), (221, 69865), (445, 34697), (785, 19669), (1105, 13973), (1157, 13345), (1513, 10205), (2041, 7565), (2669, 5785)]