669921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 1136640

約数和(自身を除く): 466719

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 73, 133, 161, 219, 399, 437, 483, 511, 1311, 1387, 1533, 1679, 3059, 4161, 5037, 9177, 9709, 11753, 29127, 31901, 35259, 95703, 223307, 669921]

約数ペア:

[(1, 669921), (3, 223307), (7, 95703), (19, 35259), (21, 31901), (23, 29127), (57, 11753), (69, 9709), (73, 9177), (133, 5037), (161, 4161), (219, 3059), (399, 1679), (437, 1533), (483, 1387), (511, 1311)]