639770769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{222839}}^1$

素因数の和:222885

約数の個数: 24

約数和(自身を含む): 1042891200

約数和(自身を除く): 403120431

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 222839, 668517, 2005551, 2451229, 6462331, 7353687, 19386993, 22061061, 58160979, 71085641, 213256923, 639770769]

約数ペア:

[(1, 639770769), (3, 213256923), (9, 71085641), (11, 58160979), (29, 22061061), (33, 19386993), (87, 7353687), (99, 6462331), (261, 2451229), (319, 2005551), (957, 668517), (2871, 222839)]