217371837

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 315025920

約数和(自身を除く): 97654083

約数列:

[1, 3, 19, 43, 57, 129, 131, 393, 677, 817, 2031, 2451, 2489, 5633, 7467, 12863, 16899, 29111, 38589, 87333, 88687, 107027, 266061, 321081, 553109, 1659327, 1685053, 3813541, 5055159, 11440623, 72457279, 217371837]

約数ペア:

[(1, 217371837), (3, 72457279), (19, 11440623), (43, 5055159), (57, 3813541), (129, 1685053), (131, 1659327), (393, 553109), (677, 321081), (817, 266061), (2031, 107027), (2451, 88687), (2489, 87333), (5633, 38589), (7467, 29111), (12863, 16899)]