221609141

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 261542400

約数和(自身を除く): 39933259

約数列:

[1, 13, 19, 41, 79, 247, 277, 533, 779, 1027, 1501, 3239, 3601, 5263, 10127, 11357, 19513, 21883, 42107, 61541, 68419, 147641, 215783, 284479, 415777, 800033, 897203, 2805179, 5405101, 11663639, 17046857, 221609141]

約数ペア:

[(1, 221609141), (13, 17046857), (19, 11663639), (41, 5405101), (79, 2805179), (247, 897203), (277, 800033), (533, 415777), (779, 284479), (1027, 215783), (1501, 147641), (3239, 68419), (3601, 61541), (5263, 42107), (10127, 21883), (11357, 19513)]