208003905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{98347}}^1$

素因数の和:98405

約数の個数: 24

約数和(自身を含む): 368214912

約数和(自身を除く): 160211007

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 98347, 295041, 491735, 885123, 1475205, 4425615, 4622309, 13866927, 23111545, 41600781, 69334635, 208003905]

約数ペア:

[(1, 208003905), (3, 69334635), (5, 41600781), (9, 23111545), (15, 13866927), (45, 4622309), (47, 4425615), (141, 1475205), (235, 885123), (423, 491735), (705, 295041), (2115, 98347)]