253011591

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{65837}}^1$

素因数の和:65911

約数の個数: 24

約数和(自身を含む): 424523424

約数和(自身を除く): 171511833

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 65837, 197511, 460859, 592533, 1382577, 4016057, 4147731, 12048171, 28112399, 36144513, 84337197, 253011591]

約数ペア:

[(1, 253011591), (3, 84337197), (7, 36144513), (9, 28112399), (21, 12048171), (61, 4147731), (63, 4016057), (183, 1382577), (427, 592533), (549, 460859), (1281, 197511), (3843, 65837)]