31217265

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4363}}^1$

素因数の和:4430

約数の個数: 32

約数和(自身を含む): 56557440

約数和(自身を除く): 25340175

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 4363, 7155, 13089, 21815, 39267, 65445, 117801, 196335, 231239, 589005, 693717, 1156195, 2081151, 3468585, 6243453, 10405755, 31217265]

約数ペア:

[(1, 31217265), (3, 10405755), (5, 6243453), (9, 3468585), (15, 2081151), (27, 1156195), (45, 693717), (53, 589005), (135, 231239), (159, 196335), (265, 117801), (477, 65445), (795, 39267), (1431, 21815), (2385, 13089), (4363, 7155)]