223291263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 331082752

約数和(自身を除く): 107791489

約数列:

[1, 3, 13, 37, 39, 111, 271, 481, 571, 813, 1443, 1713, 3523, 7423, 10027, 10569, 21127, 22269, 30081, 63381, 130351, 154741, 274651, 391053, 464223, 823953, 2011633, 5725417, 6034899, 17176251, 74430421, 223291263]

約数ペア:

[(1, 223291263), (3, 74430421), (13, 17176251), (37, 6034899), (39, 5725417), (111, 2011633), (271, 823953), (481, 464223), (571, 391053), (813, 274651), (1443, 154741), (1713, 130351), (3523, 63381), (7423, 30081), (10027, 22269), (10569, 21127)]