8215623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 13837824

約数和(自身を除く): 5622201

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 71, 117, 129, 207, 213, 299, 387, 559, 639, 897, 923, 989, 1633, 1677, 2691, 2769, 2967, 3053, 4899, 5031, 8307, 8901, 9159, 12857, 14697, 21229, 27477, 38571, 39689, 63687, 70219, 115713, 119067, 191061, 210657, 357201, 631971, 912847, 2738541, 8215623]

約数ペア:

[(1, 8215623), (3, 2738541), (9, 912847), (13, 631971), (23, 357201), (39, 210657), (43, 191061), (69, 119067), (71, 115713), (117, 70219), (129, 63687), (207, 39689), (213, 38571), (299, 27477), (387, 21229), (559, 14697), (639, 12857), (897, 9159), (923, 8901), (989, 8307), (1633, 5031), (1677, 4899), (2691, 3053), (2769, 2967)]