684387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 1118208

約数和(自身を除く): 433821

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 223, 279, 341, 669, 1023, 2007, 2453, 3069, 6913, 7359, 20739, 22077, 62217, 76043, 228129, 684387]

約数ペア:

[(1, 684387), (3, 228129), (9, 76043), (11, 62217), (31, 22077), (33, 20739), (93, 7359), (99, 6913), (223, 3069), (279, 2453), (341, 2007), (669, 1023)]