225729721

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 267909120

約数和(自身を除く): 42179399

約数列:

[1, 7, 49, 89, 191, 271, 623, 1337, 1897, 4361, 9359, 13279, 16999, 24119, 51761, 118993, 168833, 362327, 832951, 1181831, 2536289, 4606729, 32247103, 225729721]

約数ペア:

[(1, 225729721), (7, 32247103), (49, 4606729), (89, 2536289), (191, 1181831), (271, 832951), (623, 362327), (1337, 168833), (1897, 118993), (4361, 51761), (9359, 24119), (13279, 16999)]