153755721

素因数分解:

$3^2\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{2237}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 254165184

約数和(自身を除く): 100409463

約数列:

[1, 3, 7, 9, 21, 63, 1091, 2237, 3273, 6711, 7637, 9819, 15659, 20133, 22911, 46977, 68733, 140931, 2440567, 7321701, 17083969, 21965103, 51251907, 153755721]

約数ペア:

[(1, 153755721), (3, 51251907), (7, 21965103), (9, 17083969), (21, 7321701), (63, 2440567), (1091, 140931), (2237, 68733), (3273, 46977), (6711, 22911), (7637, 20133), (9819, 15659)]