156966747

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 246604800

約数和(自身を除く): 89638053

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 721, 1029, 1481, 2163, 4443, 5047, 10367, 15141, 31101, 35329, 72569, 105987, 152543, 217707, 457629, 507983, 1067801, 1523949, 3203403, 7474607, 22423821, 52322249, 156966747]

約数ペア:

[(1, 156966747), (3, 52322249), (7, 22423821), (21, 7474607), (49, 3203403), (103, 1523949), (147, 1067801), (309, 507983), (343, 457629), (721, 217707), (1029, 152543), (1481, 105987), (2163, 72569), (4443, 35329), (5047, 31101), (10367, 15141)]