1686812817

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 2331866880

約数和(自身を除く): 645054063

約数列:

[1, 3, 71, 89, 101, 213, 267, 303, 881, 2643, 6319, 7171, 8989, 18957, 21513, 26967, 62551, 78409, 88981, 187653, 235227, 266943, 638219, 1914657, 5567039, 6317651, 7919309, 16701117, 18952953, 23757927, 562270939, 1686812817]

約数ペア:

[(1, 1686812817), (3, 562270939), (71, 23757927), (89, 18952953), (101, 16701117), (213, 7919309), (267, 6317651), (303, 5567039), (881, 1914657), (2643, 638219), (6319, 266943), (7171, 235227), (8989, 187653), (18957, 88981), (21513, 78409), (26967, 62551)]