2019978243

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{16183}}^1$

素因数の和:16285

約数の個数: 40

約数和(自身を含む): 3195886848

約数和(自身を除く): 1175908605

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 201, 207, 603, 621, 1541, 1809, 1863, 4623, 5427, 13869, 16183, 41607, 48549, 124821, 145647, 372209, 436941, 1084261, 1116627, 1310823, 3252783, 3349881, 9758349, 10049643, 24938003, 29275047, 30148929, 74814009, 87825141, 224442027, 673326081, 2019978243]

約数ペア:

[(1, 2019978243), (3, 673326081), (9, 224442027), (23, 87825141), (27, 74814009), (67, 30148929), (69, 29275047), (81, 24938003), (201, 10049643), (207, 9758349), (603, 3349881), (621, 3252783), (1541, 1310823), (1809, 1116627), (1863, 1084261), (4623, 436941), (5427, 372209), (13869, 145647), (16183, 124821), (41607, 48549)]