219403779

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^2\times {\mathrm{1319}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 338384640

約数和(自身を除く): 118980861

約数列:

[1, 3, 7, 21, 89, 267, 623, 1319, 1869, 3957, 7921, 9233, 23763, 27699, 55447, 117391, 166341, 352173, 821737, 2465211, 10447799, 31343397, 73134593, 219403779]

約数ペア:

[(1, 219403779), (3, 73134593), (7, 31343397), (21, 10447799), (89, 2465211), (267, 821737), (623, 352173), (1319, 166341), (1869, 117391), (3957, 55447), (7921, 27699), (9233, 23763)]