7984197

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 13625920

約数和(自身を除く): 5641723

約数列:

[1, 3, 9, 13, 23, 27, 39, 43, 69, 117, 129, 207, 299, 351, 387, 529, 559, 621, 897, 989, 1161, 1587, 1677, 2691, 2967, 4761, 5031, 6877, 8073, 8901, 12857, 14283, 15093, 20631, 22747, 26703, 38571, 61893, 68241, 115713, 185679, 204723, 295711, 347139, 614169, 887133, 2661399, 7984197]

約数ペア:

[(1, 7984197), (3, 2661399), (9, 887133), (13, 614169), (23, 347139), (27, 295711), (39, 204723), (43, 185679), (69, 115713), (117, 68241), (129, 61893), (207, 38571), (299, 26703), (351, 22747), (387, 20631), (529, 15093), (559, 14283), (621, 12857), (897, 8901), (989, 8073), (1161, 6877), (1587, 5031), (1677, 4761), (2691, 2967)]