639461871

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1153}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 985257504

約数和(自身を除く): 345795633

約数列:

[1, 3, 9, 27, 41, 81, 123, 167, 369, 501, 1107, 1153, 1503, 3321, 3459, 4509, 6847, 10377, 13527, 20541, 31131, 47273, 61623, 93393, 141819, 184869, 192551, 425457, 554607, 577653, 1276371, 1732959, 3829113, 5198877, 7894591, 15596631, 23683773, 71051319, 213153957, 639461871]

約数ペア:

[(1, 639461871), (3, 213153957), (9, 71051319), (27, 23683773), (41, 15596631), (81, 7894591), (123, 5198877), (167, 3829113), (369, 1732959), (501, 1276371), (1107, 577653), (1153, 554607), (1503, 425457), (3321, 192551), (3459, 184869), (4509, 141819), (6847, 93393), (10377, 61623), (13527, 47273), (20541, 31131)]