81997635

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9281}}^1$

素因数の和:9339

約数の個数: 32

約数和(自身を含む): 142571520

約数和(自身を除く): 60573885

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 9281, 27843, 46405, 139215, 176339, 287711, 529017, 863133, 881695, 1438555, 2645085, 4315665, 5466509, 16399527, 27332545, 81997635]

約数ペア:

[(1, 81997635), (3, 27332545), (5, 16399527), (15, 5466509), (19, 4315665), (31, 2645085), (57, 1438555), (93, 881695), (95, 863133), (155, 529017), (285, 287711), (465, 176339), (589, 139215), (1767, 46405), (2945, 27843), (8835, 9281)]