80519193

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{1993}}^1$

素因数の和:2133

約数の個数: 18

約数和(自身を含む): 118126554

約数和(自身を除く): 37607361

約数列:

[1, 3, 9, 67, 201, 603, 1993, 4489, 5979, 13467, 17937, 40401, 133531, 400593, 1201779, 8946577, 26839731, 80519193]

約数ペア:

[(1, 80519193), (3, 26839731), (9, 8946577), (67, 1201779), (201, 400593), (603, 133531), (1993, 40401), (4489, 17937), (5979, 13467)]