208328757

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7001}}^1$

素因数の和:7133

約数の個数: 32

約数和(自身を含む): 345058560

約数和(自身を除く): 136729803

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 7001, 9919, 21003, 29757, 49007, 91013, 147021, 273039, 637091, 763109, 1911273, 2289327, 5341763, 9920417, 16025289, 29761251, 69442919, 208328757]

約数ペア:

[(1, 208328757), (3, 69442919), (7, 29761251), (13, 16025289), (21, 9920417), (39, 5341763), (91, 2289327), (109, 1911273), (273, 763109), (327, 637091), (763, 273039), (1417, 147021), (2289, 91013), (4251, 49007), (7001, 29757), (9919, 21003)]