15657843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 23016960

約数和(自身を除く): 7359117

約数列:

[1, 3, 19, 53, 57, 71, 73, 159, 213, 219, 1007, 1349, 1387, 3021, 3763, 3869, 4047, 4161, 5183, 11289, 11607, 15549, 71497, 73511, 98477, 214491, 220533, 274699, 295431, 824097, 5219281, 15657843]

約数ペア:

[(1, 15657843), (3, 5219281), (19, 824097), (53, 295431), (57, 274699), (71, 220533), (73, 214491), (159, 98477), (213, 73511), (219, 71497), (1007, 15549), (1349, 11607), (1387, 11289), (3021, 5183), (3763, 4161), (3869, 4047)]