2815813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 3951360

約数和(自身を除く): 1135547

約数列:

[1, 7, 11, 13, 29, 77, 91, 97, 143, 203, 319, 377, 679, 1001, 1067, 1261, 2233, 2639, 2813, 4147, 7469, 8827, 13871, 19691, 29029, 30943, 36569, 97097, 216601, 255983, 402259, 2815813]

約数ペア:

[(1, 2815813), (7, 402259), (11, 255983), (13, 216601), (29, 97097), (77, 36569), (91, 30943), (97, 29029), (143, 19691), (203, 13871), (319, 8827), (377, 7469), (679, 4147), (1001, 2813), (1067, 2639), (1261, 2233)]