31069773

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1566

約数の個数: 36

約数和(自身を含む): 53352000

約数和(自身を除く): 22282227

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1499, 2303, 2961, 4497, 6909, 10493, 13491, 20727, 31479, 70453, 73451, 94437, 211359, 220353, 493171, 634077, 661059, 1479513, 3452197, 4438539, 10356591, 31069773]

約数ペア:

[(1, 31069773), (3, 10356591), (7, 4438539), (9, 3452197), (21, 1479513), (47, 661059), (49, 634077), (63, 493171), (141, 220353), (147, 211359), (329, 94437), (423, 73451), (441, 70453), (987, 31479), (1499, 20727), (2303, 13491), (2961, 10493), (4497, 6909)]