1213461

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 20

約数和(自身を含む): 1846944

約数和(自身を除く): 633483

約数列:

[1, 3, 9, 27, 71, 81, 211, 213, 633, 639, 1899, 1917, 5697, 5751, 14981, 17091, 44943, 134829, 404487, 1213461]

約数ペア:

[(1, 1213461), (3, 404487), (9, 134829), (27, 44943), (71, 17091), (81, 14981), (211, 5751), (213, 5697), (633, 1917), (639, 1899)]