853398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 2280096

約数和(自身を除く): 1426698

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 521, 546, 819, 1042, 1563, 1638, 3126, 3647, 4689, 6773, 7294, 9378, 10941, 13546, 20319, 21882, 32823, 40638, 47411, 60957, 65646, 94822, 121914, 142233, 284466, 426699, 853398]

約数ペア:

[(1, 853398), (2, 426699), (3, 284466), (6, 142233), (7, 121914), (9, 94822), (13, 65646), (14, 60957), (18, 47411), (21, 40638), (26, 32823), (39, 21882), (42, 20319), (63, 13546), (78, 10941), (91, 9378), (117, 7294), (126, 6773), (182, 4689), (234, 3647), (273, 3126), (521, 1638), (546, 1563), (819, 1042)]