68581971

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 106478064

約数和(自身を除く): 37896093

約数列:

[1, 3, 9, 27, 41, 81, 107, 123, 193, 321, 369, 579, 963, 1107, 1737, 2889, 3321, 4387, 5211, 7913, 8667, 13161, 15633, 20651, 23739, 39483, 61953, 71217, 118449, 185859, 213651, 355347, 557577, 640953, 846691, 1672731, 2540073, 7620219, 22860657, 68581971]

約数ペア:

[(1, 68581971), (3, 22860657), (9, 7620219), (27, 2540073), (41, 1672731), (81, 846691), (107, 640953), (123, 557577), (193, 355347), (321, 213651), (369, 185859), (579, 118449), (963, 71217), (1107, 61953), (1737, 39483), (2889, 23739), (3321, 20651), (4387, 15633), (5211, 13161), (7913, 8667)]