16722717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 9197283

約数列:

[1, 3, 11, 19, 33, 57, 149, 179, 209, 447, 537, 627, 1639, 1969, 2831, 3401, 4917, 5907, 8493, 10203, 26671, 31141, 37411, 80013, 93423, 112233, 293381, 506749, 880143, 1520247, 5574239, 16722717]

約数ペア:

[(1, 16722717), (3, 5574239), (11, 1520247), (19, 880143), (33, 506749), (57, 293381), (149, 112233), (179, 93423), (209, 80013), (447, 37411), (537, 31141), (627, 26671), (1639, 10203), (1969, 8493), (2831, 5907), (3401, 4917)]