15311385

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 27705600

約数和(自身を除く): 12394215

約数列:

[1, 3, 5, 9, 15, 45, 59, 73, 79, 177, 219, 237, 295, 365, 395, 531, 657, 711, 885, 1095, 1185, 2655, 3285, 3555, 4307, 4661, 5767, 12921, 13983, 17301, 21535, 23305, 28835, 38763, 41949, 51903, 64605, 69915, 86505, 193815, 209745, 259515, 340253, 1020759, 1701265, 3062277, 5103795, 15311385]

約数ペア:

[(1, 15311385), (3, 5103795), (5, 3062277), (9, 1701265), (15, 1020759), (45, 340253), (59, 259515), (73, 209745), (79, 193815), (177, 86505), (219, 69915), (237, 64605), (295, 51903), (365, 41949), (395, 38763), (531, 28835), (657, 23305), (711, 21535), (885, 17301), (1095, 13983), (1185, 12921), (2655, 5767), (3285, 4661), (3555, 4307)]