81737235

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19576

約数の個数: 32

約数和(自身を含む): 150005760

約数和(自身を除く): 68268525

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 19531, 58593, 97655, 175779, 292965, 527337, 605461, 878895, 1816383, 2636685, 3027305, 5449149, 9081915, 16347447, 27245745, 81737235]

約数ペア:

[(1, 81737235), (3, 27245745), (5, 16347447), (9, 9081915), (15, 5449149), (27, 3027305), (31, 2636685), (45, 1816383), (93, 878895), (135, 605461), (155, 527337), (279, 292965), (465, 175779), (837, 97655), (1395, 58593), (4185, 19531)]