245740755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6397}}^1$

素因数の和:6615

約数の個数: 32

約数和(自身を含む): 425646144

約数和(自身を除く): 179905389

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 591, 985, 2561, 2955, 6397, 7683, 12805, 19191, 31985, 38415, 83161, 95955, 249483, 415805, 1247415, 1260209, 3780627, 6301045, 16382717, 18903135, 49148151, 81913585, 245740755]

約数ペア:

[(1, 245740755), (3, 81913585), (5, 49148151), (13, 18903135), (15, 16382717), (39, 6301045), (65, 3780627), (195, 1260209), (197, 1247415), (591, 415805), (985, 249483), (2561, 95955), (2955, 83161), (6397, 38415), (7683, 31985), (12805, 19191)]