1561077

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 2620800

約数和(自身を除く): 1059723

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 349, 497, 639, 1047, 1491, 2443, 3141, 4473, 7329, 21987, 24779, 74337, 173453, 223011, 520359, 1561077]

約数ペア:

[(1, 1561077), (3, 520359), (7, 223011), (9, 173453), (21, 74337), (63, 24779), (71, 21987), (213, 7329), (349, 4473), (497, 3141), (639, 2443), (1047, 1491)]