155013905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 211175424

約数和(自身を除く): 56161519

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 391, 629, 851, 1955, 2143, 3145, 4255, 10715, 14467, 36431, 49289, 72335, 79291, 182155, 246445, 396455, 837913, 1347947, 1823693, 4189565, 6739735, 9118465, 31002781, 155013905]

約数ペア:

[(1, 155013905), (5, 31002781), (17, 9118465), (23, 6739735), (37, 4189565), (85, 1823693), (115, 1347947), (185, 837913), (391, 396455), (629, 246445), (851, 182155), (1955, 79291), (2143, 72335), (3145, 49289), (4255, 36431), (10715, 14467)]