80966775

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{20369}}^1$

素因数の和:20435

約数の個数: 24

約数和(自身を含む): 136397520

約数和(自身を除く): 55430745

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 20369, 61107, 101845, 305535, 509225, 1079557, 1527675, 3238671, 5397785, 16193355, 26988925, 80966775]

約数ペア:

[(1, 80966775), (3, 26988925), (5, 16193355), (15, 5397785), (25, 3238671), (53, 1527675), (75, 1079557), (159, 509225), (265, 305535), (795, 101845), (1325, 61107), (3975, 20369)]