31383639

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3533}}^1$

素因数の和:3596

約数の個数: 32

約数和(自身を含む): 54282240

約数和(自身を除く): 22898601

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3533, 8883, 10599, 24731, 31797, 74193, 95391, 166051, 222579, 498153, 667737, 1162357, 1494459, 3487071, 4483377, 10461213, 31383639]

約数ペア:

[(1, 31383639), (3, 10461213), (7, 4483377), (9, 3487071), (21, 1494459), (27, 1162357), (47, 667737), (63, 498153), (141, 222579), (189, 166051), (329, 95391), (423, 74193), (987, 31797), (1269, 24731), (2961, 10599), (3533, 8883)]