17880387

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 29406720

約数和(自身を除く): 11526333

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1093, 2337, 3279, 5453, 7651, 16359, 20767, 22953, 44813, 62301, 134439, 145369, 313691, 436107, 851447, 941073, 2554341, 5960129, 17880387]

約数ペア:

[(1, 17880387), (3, 5960129), (7, 2554341), (19, 941073), (21, 851447), (41, 436107), (57, 313691), (123, 145369), (133, 134439), (287, 62301), (399, 44813), (779, 22953), (861, 20767), (1093, 16359), (2337, 7651), (3279, 5453)]