858330921

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1\times {\mathrm{1289}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 1345893120

約数和(自身を除く): 487562199

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 857, 1289, 2571, 3867, 5999, 9023, 17997, 27069, 31709, 47693, 95127, 143079, 221963, 333851, 665889, 1001553, 1104673, 3314019, 7732711, 23198133, 40872901, 122618703, 286110307, 858330921]

約数ペア:

[(1, 858330921), (3, 286110307), (7, 122618703), (21, 40872901), (37, 23198133), (111, 7732711), (259, 3314019), (777, 1104673), (857, 1001553), (1289, 665889), (2571, 333851), (3867, 221963), (5999, 143079), (9023, 95127), (17997, 47693), (27069, 31709)]