15521139

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 23930880

約数和(自身を除く): 8409741

約数列:

[1, 3, 9, 27, 47, 81, 141, 151, 243, 423, 453, 729, 1269, 1359, 2187, 3807, 4077, 7097, 11421, 12231, 21291, 34263, 36693, 63873, 102789, 110079, 191619, 330237, 574857, 1724571, 5173713, 15521139]

約数ペア:

[(1, 15521139), (3, 5173713), (9, 1724571), (27, 574857), (47, 330237), (81, 191619), (141, 110079), (151, 102789), (243, 63873), (423, 36693), (453, 34263), (729, 21291), (1269, 12231), (1359, 11421), (2187, 7097), (3807, 4077)]