81612315

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 151800480

約数和(自身を除く): 70188165

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 795, 855, 1007, 1801, 2385, 3021, 5035, 5403, 9005, 9063, 15105, 16209, 27015, 34219, 45315, 81045, 95453, 102657, 171095, 286359, 307971, 477265, 513285, 859077, 1431795, 1539855, 1813607, 4295385, 5440821, 9068035, 16322463, 27204105, 81612315]

約数ペア:

[(1, 81612315), (3, 27204105), (5, 16322463), (9, 9068035), (15, 5440821), (19, 4295385), (45, 1813607), (53, 1539855), (57, 1431795), (95, 859077), (159, 513285), (171, 477265), (265, 307971), (285, 286359), (477, 171095), (795, 102657), (855, 95453), (1007, 81045), (1801, 45315), (2385, 34219), (3021, 27015), (5035, 16209), (5403, 15105), (9005, 9063)]