71451939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 106089984

約数和(自身を除く): 34638045

約数列:

[1, 3, 13, 39, 43, 129, 137, 311, 411, 559, 933, 1677, 1781, 4043, 5343, 5891, 12129, 13373, 17673, 40119, 42607, 76583, 127821, 173849, 229749, 521547, 553891, 1661673, 1832101, 5496303, 23817313, 71451939]

約数ペア:

[(1, 71451939), (3, 23817313), (13, 5496303), (39, 1832101), (43, 1661673), (129, 553891), (137, 521547), (311, 229749), (411, 173849), (559, 127821), (933, 76583), (1677, 42607), (1781, 40119), (4043, 17673), (5343, 13373), (5891, 12129)]