203121269

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 229508352

約数和(自身を除く): 26387083

約数列:

[1, 13, 31, 137, 169, 283, 403, 1781, 3679, 4247, 5239, 8773, 23153, 38771, 47827, 55211, 114049, 504023, 717743, 1201901, 1482637, 6552299, 15624713, 203121269]

約数ペア:

[(1, 203121269), (13, 15624713), (31, 6552299), (137, 1482637), (169, 1201901), (283, 717743), (403, 504023), (1781, 114049), (3679, 55211), (4247, 47827), (5239, 38771), (8773, 23153)]