78904785

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1845

約数の個数: 32

約数和(自身を含む): 131079168

約数和(自身を除く): 52174383

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1723, 3053, 5169, 8615, 9159, 15265, 25845, 45795, 74089, 122333, 222267, 366999, 370445, 611665, 1111335, 1834995, 5260319, 15780957, 26301595, 78904785]

約数ペア:

[(1, 78904785), (3, 26301595), (5, 15780957), (15, 5260319), (43, 1834995), (71, 1111335), (129, 611665), (213, 370445), (215, 366999), (355, 222267), (645, 122333), (1065, 74089), (1723, 45795), (3053, 25845), (5169, 15265), (8615, 9159)]