490816977

素因数分解:

$3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{7537}}^1$

素因数の和:7997

約数の個数: 24

約数和(自身を含む): 763086816

約数和(自身を除く): 272269839

約数列:

[1, 3, 7, 21, 49, 147, 443, 1329, 3101, 7537, 9303, 21707, 22611, 52759, 65121, 158277, 369313, 1107939, 3338891, 10016673, 23372237, 70116711, 163605659, 490816977]

約数ペア:

[(1, 490816977), (3, 163605659), (7, 70116711), (21, 23372237), (49, 10016673), (147, 3338891), (443, 1107939), (1329, 369313), (3101, 158277), (7537, 65121), (9303, 52759), (21707, 22611)]