30221373

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 51208192

約数和(自身を除く): 20986819

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3571, 8463, 10713, 24997, 46423, 74991, 110701, 139269, 324961, 332103, 774907, 974883, 1439113, 2324721, 4317339, 10073791, 30221373]

約数ペア:

[(1, 30221373), (3, 10073791), (7, 4317339), (13, 2324721), (21, 1439113), (31, 974883), (39, 774907), (91, 332103), (93, 324961), (217, 139269), (273, 110701), (403, 74991), (651, 46423), (1209, 24997), (2821, 10713), (3571, 8463)]