978653421

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 1489752000

約数和(自身を除く): 511098579

約数列:

[1, 3, 9, 27, 71, 81, 213, 379, 449, 639, 1137, 1347, 1917, 3411, 4041, 5751, 10233, 12123, 26909, 30699, 31879, 36369, 80727, 95637, 170171, 242181, 286911, 510513, 726543, 860733, 1531539, 2179629, 2582199, 4594617, 12082141, 13783851, 36246423, 108739269, 326217807, 978653421]

約数ペア:

[(1, 978653421), (3, 326217807), (9, 108739269), (27, 36246423), (71, 13783851), (81, 12082141), (213, 4594617), (379, 2582199), (449, 2179629), (639, 1531539), (1137, 860733), (1347, 726543), (1917, 510513), (3411, 286911), (4041, 242181), (5751, 170171), (10233, 95637), (12123, 80727), (26909, 36369), (30699, 31879)]