81494505

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6539

約数の個数: 40

約数和(自身を含む): 150822144

約数和(自身を除く): 69327639

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 6491, 12555, 19473, 32455, 58419, 97365, 175257, 201221, 292095, 525771, 603663, 876285, 1006105, 1810989, 2628855, 3018315, 5432967, 9054945, 16298901, 27164835, 81494505]

約数ペア:

[(1, 81494505), (3, 27164835), (5, 16298901), (9, 9054945), (15, 5432967), (27, 3018315), (31, 2628855), (45, 1810989), (81, 1006105), (93, 876285), (135, 603663), (155, 525771), (279, 292095), (405, 201221), (465, 175257), (837, 97365), (1395, 58419), (2511, 32455), (4185, 19473), (6491, 12555)]