820153458

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{660349}}^1$

素因数の和:660383

約数の個数: 32

約数和(自身を含む): 1901808000

約数和(自身を除く): 1081654542

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 660349, 1320698, 1981047, 3962094, 5943141, 11886282, 15188027, 17829423, 30376054, 35658846, 45564081, 91128162, 136692243, 273384486, 410076729, 820153458]

約数ペア:

[(1, 820153458), (2, 410076729), (3, 273384486), (6, 136692243), (9, 91128162), (18, 45564081), (23, 35658846), (27, 30376054), (46, 17829423), (54, 15188027), (69, 11886282), (138, 5943141), (207, 3962094), (414, 1981047), (621, 1320698), (1242, 660349)]