247494015

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11677}}^1$

素因数の和:11848

約数の個数: 32

約数和(自身を含む): 442829760

約数和(自身を除く): 195335745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 11677, 21195, 35031, 58385, 105093, 175155, 315279, 525465, 1576395, 1833289, 5499867, 9166445, 16499601, 27499335, 49498803, 82498005, 247494015]

約数ペア:

[(1, 247494015), (3, 82498005), (5, 49498803), (9, 27499335), (15, 16499601), (27, 9166445), (45, 5499867), (135, 1833289), (157, 1576395), (471, 525465), (785, 315279), (1413, 175155), (2355, 105093), (4239, 58385), (7065, 35031), (11677, 21195)]