15765477

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 28385280

約数和(自身を除く): 12619803

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 79, 91, 119, 129, 221, 237, 273, 301, 357, 553, 559, 663, 731, 903, 1027, 1343, 1547, 1659, 1677, 2193, 3081, 3397, 3913, 4029, 4641, 5117, 7189, 9401, 9503, 10191, 11739, 15351, 17459, 21567, 23779, 28203, 28509, 44161, 52377, 57749, 66521, 71337, 122213, 132483, 173247, 199563, 309127, 366639, 404243, 750737, 927381, 1212729, 2252211, 5255159, 15765477]

約数ペア:

[(1, 15765477), (3, 5255159), (7, 2252211), (13, 1212729), (17, 927381), (21, 750737), (39, 404243), (43, 366639), (51, 309127), (79, 199563), (91, 173247), (119, 132483), (129, 122213), (221, 71337), (237, 66521), (273, 57749), (301, 52377), (357, 44161), (553, 28509), (559, 28203), (663, 23779), (731, 21567), (903, 17459), (1027, 15351), (1343, 11739), (1547, 10191), (1659, 9503), (1677, 9401), (2193, 7189), (3081, 5117), (3397, 4641), (3913, 4029)]