649105893

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{151201}}^1$

素因数の和:151266

約数の個数: 20

約数和(自身を含む): 987953868

約数和(自身を除く): 338847975

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 151201, 453603, 1360809, 4082427, 8013653, 12247281, 24040959, 72122877, 216368631, 649105893]

約数ペア:

[(1, 649105893), (3, 216368631), (9, 72122877), (27, 24040959), (53, 12247281), (81, 8013653), (159, 4082427), (477, 1360809), (1431, 453603), (4293, 151201)]