890253

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 1584128

約数和(自身を除く): 693875

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1087, 3261, 7609, 9783, 14131, 22827, 42393, 68481, 98917, 127179, 296751, 890253]

約数ペア:

[(1, 890253), (3, 296751), (7, 127179), (9, 98917), (13, 68481), (21, 42393), (39, 22827), (63, 14131), (91, 9783), (117, 7609), (273, 3261), (819, 1087)]