81852813

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2843}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 135465408

約数和(自身を除く): 53612595

約数列:

[1, 3, 7, 9, 21, 63, 457, 1371, 2843, 3199, 4113, 8529, 9597, 19901, 25587, 28791, 59703, 179109, 1299251, 3897753, 9094757, 11693259, 27284271, 81852813]

約数ペア:

[(1, 81852813), (3, 27284271), (7, 11693259), (9, 9094757), (21, 3897753), (63, 1299251), (457, 179109), (1371, 59703), (2843, 28791), (3199, 25587), (4113, 19901), (8529, 9597)]