15647193

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 23452416

約数和(自身を除く): 7805223

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 521, 639, 1563, 3337, 4689, 10011, 24487, 30033, 36991, 73461, 110973, 220383, 332919, 1738577, 5215731, 15647193]

約数ペア:

[(1, 15647193), (3, 5215731), (9, 1738577), (47, 332919), (71, 220383), (141, 110973), (213, 73461), (423, 36991), (521, 30033), (639, 24487), (1563, 10011), (3337, 4689)]