72142551

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47431}}^1$

素因数の和:47463

約数の個数: 18

約数和(自身を含む): 112840728

約数和(自身を除く): 40698177

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 47431, 142293, 426879, 616603, 1849809, 5549427, 8015839, 24047517, 72142551]

約数ペア:

[(1, 72142551), (3, 24047517), (9, 8015839), (13, 5549427), (39, 1849809), (117, 616603), (169, 426879), (507, 142293), (1521, 47431)]