71802981

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{853}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 106579200

約数和(自身を除く): 34776219

約数列:

[1, 3, 9, 47, 141, 199, 423, 597, 853, 1791, 2559, 7677, 9353, 28059, 40091, 84177, 120273, 169747, 360819, 509241, 1527723, 7978109, 23934327, 71802981]

約数ペア:

[(1, 71802981), (3, 23934327), (9, 7978109), (47, 1527723), (141, 509241), (199, 360819), (423, 169747), (597, 120273), (853, 84177), (1791, 40091), (2559, 28059), (7677, 9353)]