26660361

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 44665600

約数和(自身を除く): 18005239

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 1993, 4459, 5979, 13377, 13951, 25909, 41853, 77727, 97657, 181363, 292971, 544089, 683599, 1269541, 2050797, 3808623, 8886787, 26660361]

約数ペア:

[(1, 26660361), (3, 8886787), (7, 3808623), (13, 2050797), (21, 1269541), (39, 683599), (49, 544089), (91, 292971), (147, 181363), (273, 97657), (343, 77727), (637, 41853), (1029, 25909), (1911, 13951), (1993, 13377), (4459, 5979)]