1878513

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 3140928

約数和(自身を除く): 1262415

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 983, 1911, 2949, 6881, 12779, 20643, 38337, 48167, 89453, 144501, 268359, 626171, 1878513]

約数ペア:

[(1, 1878513), (3, 626171), (7, 268359), (13, 144501), (21, 89453), (39, 48167), (49, 38337), (91, 20643), (147, 12779), (273, 6881), (637, 2949), (983, 1911)]