15219215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 21275136

約数和(自身を除く): 6055921

約数列:

[1, 5, 11, 23, 53, 55, 115, 227, 253, 265, 583, 1135, 1219, 1265, 2497, 2915, 5221, 6095, 12031, 12485, 13409, 26105, 57431, 60155, 67045, 132341, 276713, 287155, 661705, 1383565, 3043843, 15219215]

約数ペア:

[(1, 15219215), (5, 3043843), (11, 1383565), (23, 661705), (53, 287155), (55, 276713), (115, 132341), (227, 67045), (253, 60155), (265, 57431), (583, 26105), (1135, 13409), (1219, 12485), (1265, 12031), (2497, 6095), (2915, 5221)]