661713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 1024128

約数和(自身を除く): 362415

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 361, 611, 741, 893, 1083, 1833, 2679, 4693, 11609, 14079, 16967, 34827, 50901, 220571, 661713]

約数ペア:

[(1, 661713), (3, 220571), (13, 50901), (19, 34827), (39, 16967), (47, 14079), (57, 11609), (141, 4693), (247, 2679), (361, 1833), (611, 1083), (741, 893)]