51711225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 88565760

約数和(自身を除く): 36854535

約数列:

[1, 3, 5, 15, 25, 61, 75, 89, 127, 183, 267, 305, 381, 445, 635, 915, 1335, 1525, 1905, 2225, 3175, 4575, 5429, 6675, 7747, 9525, 11303, 16287, 23241, 27145, 33909, 38735, 56515, 81435, 116205, 135725, 169545, 193675, 282575, 407175, 581025, 689483, 847725, 2068449, 3447415, 10342245, 17237075, 51711225]

約数ペア:

[(1, 51711225), (3, 17237075), (5, 10342245), (15, 3447415), (25, 2068449), (61, 847725), (75, 689483), (89, 581025), (127, 407175), (183, 282575), (267, 193675), (305, 169545), (381, 135725), (445, 116205), (635, 81435), (915, 56515), (1335, 38735), (1525, 33909), (1905, 27145), (2225, 23241), (3175, 16287), (4575, 11303), (5429, 9525), (6675, 7747)]