15316821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 25439232

約数和(自身を除く): 10122411

約数列:

[1, 3, 9, 13, 31, 39, 41, 93, 103, 117, 123, 279, 309, 369, 403, 533, 927, 1209, 1271, 1339, 1599, 3193, 3627, 3813, 4017, 4223, 4797, 9579, 11439, 12051, 12669, 16523, 28737, 38007, 41509, 49569, 54899, 124527, 130913, 148707, 164697, 373581, 392739, 494091, 1178217, 1701869, 5105607, 15316821]

約数ペア:

[(1, 15316821), (3, 5105607), (9, 1701869), (13, 1178217), (31, 494091), (39, 392739), (41, 373581), (93, 164697), (103, 148707), (117, 130913), (123, 124527), (279, 54899), (309, 49569), (369, 41509), (403, 38007), (533, 28737), (927, 16523), (1209, 12669), (1271, 12051), (1339, 11439), (1599, 9579), (3193, 4797), (3627, 4223), (3813, 4017)]