415857813

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{27239}}^1$

素因数の和:27976

約数の個数: 16

約数和(自身を含む): 634583040

約数和(自身を除く): 218725227

約数列:

[1, 3, 7, 21, 727, 2181, 5089, 15267, 27239, 81717, 190673, 572019, 19802753, 59408259, 138619271, 415857813]

約数ペア:

[(1, 415857813), (3, 138619271), (7, 59408259), (21, 19802753), (727, 572019), (2181, 190673), (5089, 81717), (15267, 27239)]