209215743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 315028224

約数和(自身を除く): 105812481

約数列:

[1, 3, 11, 33, 41, 101, 123, 303, 451, 1111, 1353, 1531, 3333, 4141, 4593, 12423, 16841, 45551, 50523, 62771, 136653, 154631, 188313, 463893, 690481, 1700941, 2071443, 5102823, 6339871, 19019613, 69738581, 209215743]

約数ペア:

[(1, 209215743), (3, 69738581), (11, 19019613), (33, 6339871), (41, 5102823), (101, 2071443), (123, 1700941), (303, 690481), (451, 463893), (1111, 188313), (1353, 154631), (1531, 136653), (3333, 62771), (4141, 50523), (4593, 45551), (12423, 16841)]