15125211

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 24045120

約数和(自身を除く): 8919909

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 137, 141, 261, 411, 423, 783, 1233, 1269, 1363, 2349, 3699, 3807, 3973, 4089, 6439, 11097, 11919, 12267, 19317, 35757, 36801, 57951, 107271, 110403, 173853, 186731, 321813, 521559, 560193, 1680579, 5041737, 15125211]

約数ペア:

[(1, 15125211), (3, 5041737), (9, 1680579), (27, 560193), (29, 521559), (47, 321813), (81, 186731), (87, 173853), (137, 110403), (141, 107271), (261, 57951), (411, 36801), (423, 35757), (783, 19317), (1233, 12267), (1269, 11919), (1363, 11097), (2349, 6439), (3699, 4089), (3807, 3973)]