7972845

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 13381632

約数和(自身を除く): 5408787

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 263, 645, 705, 789, 1315, 2021, 3945, 6063, 10105, 11309, 12361, 30315, 33927, 37083, 56545, 61805, 169635, 185415, 531523, 1594569, 2657615, 7972845]

約数ペア:

[(1, 7972845), (3, 2657615), (5, 1594569), (15, 531523), (43, 185415), (47, 169635), (129, 61805), (141, 56545), (215, 37083), (235, 33927), (263, 30315), (645, 12361), (705, 11309), (789, 10105), (1315, 6063), (2021, 3945)]