78340005

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8837}}^1$

素因数の和:9045

約数の個数: 24

約数和(自身を含む): 136494072

約数和(自身を除く): 58154067

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8837, 8865, 26511, 44185, 79533, 132555, 397665, 1740889, 5222667, 8704445, 15668001, 26113335, 78340005]

約数ペア:

[(1, 78340005), (3, 26113335), (5, 15668001), (9, 8704445), (15, 5222667), (45, 1740889), (197, 397665), (591, 132555), (985, 79533), (1773, 44185), (2955, 26511), (8837, 8865)]