81900540267

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{300001979}}^1$

素因数の和:300002002

約数の個数: 16

約数和(自身を含む): 134400887040

約数和(自身を除く): 52500346773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 300001979, 900005937, 2100013853, 3900025727, 6300041559, 11700077181, 27300180089, 81900540267]

約数ペア:

[(1, 81900540267), (3, 27300180089), (7, 11700077181), (13, 6300041559), (21, 3900025727), (39, 2100013853), (91, 900005937), (273, 300001979)]