15811873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 20885760

約数和(自身を除く): 5073887

約数列:

[1, 7, 11, 29, 73, 77, 97, 203, 319, 511, 679, 803, 1067, 2117, 2233, 2813, 5621, 7081, 7469, 14819, 19691, 23287, 30943, 49567, 77891, 163009, 205349, 216601, 545237, 1437443, 2258839, 15811873]

約数ペア:

[(1, 15811873), (7, 2258839), (11, 1437443), (29, 545237), (73, 216601), (77, 205349), (97, 163009), (203, 77891), (319, 49567), (511, 30943), (679, 23287), (803, 19691), (1067, 14819), (2117, 7469), (2233, 7081), (2813, 5621)]