198544749

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{1489}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 287939520

約数和(自身を除く): 89394771

約数列:

[1, 3, 13, 39, 169, 263, 507, 789, 1489, 3419, 4467, 10257, 19357, 44447, 58071, 133341, 251641, 391607, 754923, 1174821, 5090891, 15272673, 66181583, 198544749]

約数ペア:

[(1, 198544749), (3, 66181583), (13, 15272673), (39, 5090891), (169, 1174821), (263, 754923), (507, 391607), (789, 251641), (1489, 133341), (3419, 58071), (4467, 44447), (10257, 19357)]