211808415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{155171}}^1$

素因数の和:155199

約数の個数: 32

約数和(自身を含む): 417102336

約数和(自身を除く): 205293921

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 155171, 465513, 775855, 1086197, 2017223, 2327565, 3258591, 5430985, 6051669, 10086115, 14120561, 16292955, 30258345, 42361683, 70602805, 211808415]

約数ペア:

[(1, 211808415), (3, 70602805), (5, 42361683), (7, 30258345), (13, 16292955), (15, 14120561), (21, 10086115), (35, 6051669), (39, 5430985), (65, 3258591), (91, 2327565), (105, 2017223), (195, 1086197), (273, 775855), (455, 465513), (1365, 155171)]