388660461

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{260671}}^1$

素因数の和:260752

約数の個数: 16

約数和(自身を含む): 600588288

約数和(自身を除く): 211927827

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 260671, 782013, 1824697, 5474091, 18507641, 55522923, 129553487, 388660461]

約数ペア:

[(1, 388660461), (3, 129553487), (7, 55522923), (21, 18507641), (71, 5474091), (213, 1824697), (497, 782013), (1491, 260671)]