1282213989

素因数分解:

$3^3\times 7^1\times {\mathrm{6784201}}^1$

素因数の和:6784217

約数の個数: 16

約数和(自身を含む): 2170944640

約数和(自身を除く): 888730651

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6784201, 20352603, 47489407, 61057809, 142468221, 183173427, 427404663, 1282213989]

約数ペア:

[(1, 1282213989), (3, 427404663), (7, 183173427), (9, 142468221), (21, 61057809), (27, 47489407), (63, 20352603), (189, 6784201)]