81460485

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 146910456

約数和(自身を除く): 65449971

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 985, 1021, 1773, 2955, 3063, 5105, 5319, 8865, 9189, 15315, 15957, 26595, 27567, 45945, 79785, 82701, 137835, 201137, 413505, 603411, 1005685, 1810233, 3017055, 5430699, 9051165, 16292097, 27153495, 81460485]

約数ペア:

[(1, 81460485), (3, 27153495), (5, 16292097), (9, 9051165), (15, 5430699), (27, 3017055), (45, 1810233), (81, 1005685), (135, 603411), (197, 413505), (405, 201137), (591, 137835), (985, 82701), (1021, 79785), (1773, 45945), (2955, 27567), (3063, 26595), (5105, 15957), (5319, 15315), (8865, 9189)]