221467815

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{69317}}^1$

素因数の和:69399

約数の個数: 24

約数和(自身を含む): 389289888

約数和(自身を除く): 167822073

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 69317, 207951, 346585, 623853, 1039755, 3119265, 4921507, 14764521, 24607535, 44293563, 73822605, 221467815]

約数ペア:

[(1, 221467815), (3, 73822605), (5, 44293563), (9, 24607535), (15, 14764521), (45, 4921507), (71, 3119265), (213, 1039755), (355, 623853), (639, 346585), (1065, 207951), (3195, 69317)]