78894501

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 127991808

約数和(自身を除く): 49097307

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 357, 669, 991, 1561, 2973, 3791, 4683, 6937, 11373, 16847, 20811, 26537, 50541, 79611, 117929, 220993, 353787, 662979, 1546951, 3756881, 4640853, 11270643, 26298167, 78894501]

約数ペア:

[(1, 78894501), (3, 26298167), (7, 11270643), (17, 4640853), (21, 3756881), (51, 1546951), (119, 662979), (223, 353787), (357, 220993), (669, 117929), (991, 79611), (1561, 50541), (2973, 26537), (3791, 20811), (4683, 16847), (6937, 11373)]