86720907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 144148480

約数和(自身を除く): 57427573

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 4021, 7189, 12063, 21567, 28147, 52273, 84441, 156819, 317659, 365911, 952977, 1097733, 2223613, 4129567, 6670839, 12388701, 28906969, 86720907]

約数ペア:

[(1, 86720907), (3, 28906969), (7, 12388701), (13, 6670839), (21, 4129567), (39, 2223613), (79, 1097733), (91, 952977), (237, 365911), (273, 317659), (553, 156819), (1027, 84441), (1659, 52273), (3081, 28147), (4021, 21567), (7189, 12063)]