81250029

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19249}}^1$

素因数の和:19329

約数の個数: 24

約数和(自身を含む): 136136000

約数和(自身を除く): 54885971

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 19249, 57747, 134743, 173241, 404229, 1212687, 1289683, 3869049, 9027781, 11607147, 27083343, 81250029]

約数ペア:

[(1, 81250029), (3, 27083343), (7, 11607147), (9, 9027781), (21, 3869049), (63, 1289683), (67, 1212687), (201, 404229), (469, 173241), (603, 134743), (1407, 57747), (4221, 19249)]