13195553

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 32

約数和(自身を含む): 17049600

約数和(自身を除く): 3854047

約数列:

[1, 7, 17, 31, 49, 73, 119, 217, 343, 511, 527, 833, 1241, 1519, 2263, 3577, 3689, 5831, 8687, 10633, 15841, 25039, 25823, 38471, 60809, 110887, 180761, 269297, 425663, 776209, 1885079, 13195553]

約数ペア:

[(1, 13195553), (7, 1885079), (17, 776209), (31, 425663), (49, 269297), (73, 180761), (119, 110887), (217, 60809), (343, 38471), (511, 25823), (527, 25039), (833, 15841), (1241, 10633), (1519, 8687), (2263, 5831), (3577, 3689)]