492030021

素因数分解:

$3^1\times 7^2\times {\mathrm{1279}}^1\times {\mathrm{2617}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 764037120

約数和(自身を除く): 272007099

約数列:

[1, 3, 7, 21, 49, 147, 1279, 2617, 3837, 7851, 8953, 18319, 26859, 54957, 62671, 128233, 188013, 384699, 3347143, 10041429, 23430001, 70290003, 164010007, 492030021]

約数ペア:

[(1, 492030021), (3, 164010007), (7, 70290003), (21, 23430001), (49, 10041429), (147, 3347143), (1279, 384699), (2617, 188013), (3837, 128233), (7851, 62671), (8953, 54957), (18319, 26859)]