1962156987

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{220889}}^1$

素因数の和:220952

約数の個数: 32

約数和(自身を含む): 3392870400

約数和(自身を除く): 1430713413

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 220889, 662667, 1546223, 1988001, 4638669, 5964003, 10381783, 13916007, 31145349, 41748021, 72672481, 93436047, 218017443, 280308141, 654052329, 1962156987]

約数ペア:

[(1, 1962156987), (3, 654052329), (7, 280308141), (9, 218017443), (21, 93436047), (27, 72672481), (47, 41748021), (63, 31145349), (141, 13916007), (189, 10381783), (329, 5964003), (423, 4638669), (987, 1988001), (1269, 1546223), (2961, 662667), (8883, 220889)]