66707745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20123}}^1$

素因数の和:20161

約数の個数: 32

約数和(自身を含む): 121709952

約数和(自身を除く): 55002207

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20123, 60369, 100615, 261599, 301845, 342091, 784797, 1026273, 1307995, 1710455, 3923985, 4447183, 5131365, 13341549, 22235915, 66707745]

約数ペア:

[(1, 66707745), (3, 22235915), (5, 13341549), (13, 5131365), (15, 4447183), (17, 3923985), (39, 1710455), (51, 1307995), (65, 1026273), (85, 784797), (195, 342091), (221, 301845), (255, 261599), (663, 100615), (1105, 60369), (3315, 20123)]