128973951

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{3469}}^1$

素因数の和:3507

約数の個数: 32

約数和(自身を含む): 204868800

約数和(自身を除く): 75894849

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2187, 3469, 4131, 10407, 12393, 31221, 37179, 58973, 93663, 176919, 280989, 530757, 842967, 1592271, 2528901, 4776813, 7586703, 14330439, 42991317, 128973951]

約数ペア:

[(1, 128973951), (3, 42991317), (9, 14330439), (17, 7586703), (27, 4776813), (51, 2528901), (81, 1592271), (153, 842967), (243, 530757), (459, 280989), (729, 176919), (1377, 93663), (2187, 58973), (3469, 37179), (4131, 31221), (10407, 12393)]