15881859

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4976

約数の個数: 32

約数和(自身を含む): 28477440

約数和(自身を除く): 12595581

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 4943, 14829, 34601, 44487, 84031, 103803, 133461, 252093, 311409, 588217, 756279, 934227, 1764651, 2268837, 5293953, 15881859]

約数ペア:

[(1, 15881859), (3, 5293953), (7, 2268837), (9, 1764651), (17, 934227), (21, 756279), (27, 588217), (51, 311409), (63, 252093), (119, 133461), (153, 103803), (189, 84031), (357, 44487), (459, 34601), (1071, 14829), (3213, 4943)]