43158921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 63974400

約数和(自身を除く): 20815479

約数列:

[1, 3, 13, 39, 67, 83, 199, 201, 249, 597, 871, 1079, 2587, 2613, 3237, 5561, 7761, 13333, 16517, 16683, 39999, 49551, 72293, 173329, 214721, 216879, 519987, 644163, 1106639, 3319917, 14386307, 43158921]

約数ペア:

[(1, 43158921), (3, 14386307), (13, 3319917), (39, 1106639), (67, 644163), (83, 519987), (199, 216879), (201, 214721), (249, 173329), (597, 72293), (871, 49551), (1079, 39999), (2587, 16683), (2613, 16517), (3237, 13333), (5561, 7761)]