31680873

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3203}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 52648128

約数和(自身を除く): 20967255

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3203, 3297, 9609, 9891, 22421, 28827, 67263, 201789, 502871, 1508613, 3520097, 4525839, 10560291, 31680873]

約数ペア:

[(1, 31680873), (3, 10560291), (7, 4525839), (9, 3520097), (21, 1508613), (63, 502871), (157, 201789), (471, 67263), (1099, 28827), (1413, 22421), (3203, 9891), (3297, 9609)]