31952921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 11447527

約数列:

[1, 7, 11, 13, 77, 91, 137, 143, 233, 959, 1001, 1507, 1631, 1781, 2563, 3029, 10549, 12467, 17941, 19591, 21203, 31921, 33319, 137137, 223447, 233233, 351131, 414973, 2457917, 2904811, 4564703, 31952921]

約数ペア:

[(1, 31952921), (7, 4564703), (11, 2904811), (13, 2457917), (77, 414973), (91, 351131), (137, 233233), (143, 223447), (233, 137137), (959, 33319), (1001, 31921), (1507, 21203), (1631, 19591), (1781, 17941), (2563, 12467), (3029, 10549)]