7220985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 12192768

約数和(自身を除く): 4971783

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 293, 465, 795, 879, 1465, 1643, 4395, 4929, 8215, 9083, 15529, 24645, 27249, 45415, 46587, 77645, 136245, 232935, 481399, 1444197, 2406995, 7220985]

約数ペア:

[(1, 7220985), (3, 2406995), (5, 1444197), (15, 481399), (31, 232935), (53, 136245), (93, 77645), (155, 46587), (159, 45415), (265, 27249), (293, 24645), (465, 15529), (795, 9083), (879, 8215), (1465, 4929), (1643, 4395)]