221539267509

素因数分解:

$3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{21379}}^1$

素因数の和:22002

約数の個数: 48

約数和(自身を含む): 346586904000

約数和(自身を除く): 125047636491

約数列:

[1, 3, 7, 21, 49, 147, 157, 449, 471, 1099, 1347, 3143, 3297, 7693, 9429, 21379, 22001, 23079, 64137, 66003, 70493, 149653, 211479, 448959, 493451, 1047571, 1480353, 3142713, 3356503, 3454157, 9599171, 10069509, 10362471, 23495521, 28797513, 67194197, 70486563, 164468647, 201582591, 470359379, 493405941, 1411078137, 1507069847, 4521209541, 10549488929, 31648466787, 73846422503, 221539267509]

約数ペア:

[(1, 221539267509), (3, 73846422503), (7, 31648466787), (21, 10549488929), (49, 4521209541), (147, 1507069847), (157, 1411078137), (449, 493405941), (471, 470359379), (1099, 201582591), (1347, 164468647), (3143, 70486563), (3297, 67194197), (7693, 28797513), (9429, 23495521), (21379, 10362471), (22001, 10069509), (23079, 9599171), (64137, 3454157), (66003, 3356503), (70493, 3142713), (149653, 1480353), (211479, 1047571), (448959, 493451)]