78889653

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2610

約数の個数: 32

約数和(自身を含む): 125091200

約数和(自身を除く): 46201547

約数列:

[1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 1159, 1647, 2521, 3477, 7563, 10431, 22689, 31293, 47899, 68067, 143697, 153781, 431091, 461343, 1293273, 1384029, 2921839, 4152087, 8765517, 26296551, 78889653]

約数ペア:

[(1, 78889653), (3, 26296551), (9, 8765517), (19, 4152087), (27, 2921839), (57, 1384029), (61, 1293273), (171, 461343), (183, 431091), (513, 153781), (549, 143697), (1159, 68067), (1647, 47899), (2521, 31293), (3477, 22689), (7563, 10431)]