87669735

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 143244288

約数和(自身を除く): 55574553

約数列:

[1, 3, 5, 15, 71, 213, 263, 313, 355, 789, 939, 1065, 1315, 1565, 3945, 4695, 18673, 22223, 56019, 66669, 82319, 93365, 111115, 246957, 280095, 333345, 411595, 1234785, 5844649, 17533947, 29223245, 87669735]

約数ペア:

[(1, 87669735), (3, 29223245), (5, 17533947), (15, 5844649), (71, 1234785), (213, 411595), (263, 333345), (313, 280095), (355, 246957), (789, 111115), (939, 93365), (1065, 82319), (1315, 66669), (1565, 56019), (3945, 22223), (4695, 18673)]