247680153

素因数分解:

$3^3\times 7^2\times {\mathrm{187211}}^1$

素因数の和:187234

約数の個数: 24

約数和(自身を含む): 426843360

約数和(自身を除く): 179163207

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 187211, 561633, 1310477, 1684899, 3931431, 5054697, 9173339, 11794293, 27520017, 35382879, 82560051, 247680153]

約数ペア:

[(1, 247680153), (3, 82560051), (7, 35382879), (9, 27520017), (21, 11794293), (27, 9173339), (49, 5054697), (63, 3931431), (147, 1684899), (189, 1310477), (441, 561633), (1323, 187211)]