21675303

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 35537600

約数和(自身を除く): 13862297

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 1669, 4329, 5007, 12987, 15021, 21697, 45063, 61753, 65091, 185259, 195273, 555777, 585819, 802789, 1667331, 2408367, 7225101, 21675303]

約数ペア:

[(1, 21675303), (3, 7225101), (9, 2408367), (13, 1667331), (27, 802789), (37, 585819), (39, 555777), (111, 195273), (117, 185259), (333, 65091), (351, 61753), (481, 45063), (999, 21697), (1443, 15021), (1669, 12987), (4329, 5007)]