248833221

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{130211}}^1$

素因数の和:130241

約数の個数: 24

約数和(自身を含む): 415636704

約数和(自身を除く): 166803483

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 130211, 390633, 911477, 1692743, 2734431, 5078229, 6380339, 11849201, 19141017, 35547603, 82944407, 248833221]

約数ペア:

[(1, 248833221), (3, 82944407), (7, 35547603), (13, 19141017), (21, 11849201), (39, 6380339), (49, 5078229), (91, 2734431), (147, 1692743), (273, 911477), (637, 390633), (1911, 130211)]