378651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 663040

約数和(自身を除く): 284389

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 73, 91, 133, 219, 247, 273, 399, 511, 741, 949, 1387, 1533, 1729, 2847, 4161, 5187, 6643, 9709, 18031, 19929, 29127, 54093, 126217, 378651]

約数ペア:

[(1, 378651), (3, 126217), (7, 54093), (13, 29127), (19, 19929), (21, 18031), (39, 9709), (57, 6643), (73, 5187), (91, 4161), (133, 2847), (219, 1729), (247, 1533), (273, 1387), (399, 949), (511, 741)]