1270287

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1971840

約数和(自身を除く): 701553

約数列:

[1, 3, 9, 29, 31, 87, 93, 157, 261, 279, 471, 899, 1413, 2697, 4553, 4867, 8091, 13659, 14601, 40977, 43803, 141143, 423429, 1270287]

約数ペア:

[(1, 1270287), (3, 423429), (9, 141143), (29, 43803), (31, 40977), (87, 14601), (93, 13659), (157, 8091), (261, 4867), (279, 4553), (471, 2697), (899, 1413)]