1673581257

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{291007}}^1$

素因数の和:291090

約数の個数: 20

約数和(自身を含む): 2535261696

約数和(自身を除く): 861680439

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 291007, 873021, 2619063, 7857189, 20661497, 23571567, 61984491, 185953473, 557860419, 1673581257]

約数ペア:

[(1, 1673581257), (3, 557860419), (9, 185953473), (27, 61984491), (71, 23571567), (81, 20661497), (213, 7857189), (639, 2619063), (1917, 873021), (5751, 291007)]