74369745

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3907}}^1$

素因数の和:3971

約数の個数: 40

約数和(自身を含む): 136185984

約数和(自身を除く): 61816239

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 3907, 6345, 11721, 19035, 19535, 35163, 58605, 105489, 175815, 183629, 316467, 527445, 550887, 918145, 1582335, 1652661, 2754435, 4957983, 8263305, 14873949, 24789915, 74369745]

約数ペア:

[(1, 74369745), (3, 24789915), (5, 14873949), (9, 8263305), (15, 4957983), (27, 2754435), (45, 1652661), (47, 1582335), (81, 918145), (135, 550887), (141, 527445), (235, 316467), (405, 183629), (423, 175815), (705, 105489), (1269, 58605), (2115, 35163), (3807, 19535), (3907, 19035), (6345, 11721)]