71320905

素因数分解:

$3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 128574600

約数和(自身を除く): 57253695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 229, 405, 687, 769, 1145, 2061, 2307, 3435, 3845, 6183, 6921, 10305, 11535, 18549, 20763, 30915, 34605, 62289, 92745, 103815, 176101, 311445, 528303, 880505, 1584909, 2641515, 4754727, 7924545, 14264181, 23773635, 71320905]

約数ペア:

[(1, 71320905), (3, 23773635), (5, 14264181), (9, 7924545), (15, 4754727), (27, 2641515), (45, 1584909), (81, 880505), (135, 528303), (229, 311445), (405, 176101), (687, 103815), (769, 92745), (1145, 62289), (2061, 34605), (2307, 30915), (3435, 20763), (3845, 18549), (6183, 11535), (6921, 10305)]