72986109

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 115175424

約数和(自身を除く): 42189315

約数列:

[1, 3, 7, 21, 41, 103, 123, 287, 309, 721, 823, 861, 2163, 2469, 4223, 5761, 12669, 17283, 29561, 33743, 84769, 88683, 101229, 236201, 254307, 593383, 708603, 1780149, 3475529, 10426587, 24328703, 72986109]

約数ペア:

[(1, 72986109), (3, 24328703), (7, 10426587), (21, 3475529), (41, 1780149), (103, 708603), (123, 593383), (287, 254307), (309, 236201), (721, 101229), (823, 88683), (861, 84769), (2163, 33743), (2469, 29561), (4223, 17283), (5761, 12669)]