80972385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1723}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 140181888

約数和(自身を除く): 59209503

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 723, 1205, 1723, 3133, 3615, 5169, 8615, 9399, 15665, 22399, 25845, 46995, 67197, 111995, 335985, 415243, 1245729, 2076215, 5398159, 6228645, 16194477, 26990795, 80972385]

約数ペア:

[(1, 80972385), (3, 26990795), (5, 16194477), (13, 6228645), (15, 5398159), (39, 2076215), (65, 1245729), (195, 415243), (241, 335985), (723, 111995), (1205, 67197), (1723, 46995), (3133, 25845), (3615, 22399), (5169, 15665), (8615, 9399)]