81594945

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 154818048

約数和(自身を除く): 73223103

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 67, 81, 93, 97, 135, 155, 201, 279, 291, 335, 405, 465, 485, 603, 837, 873, 1005, 1395, 1455, 1809, 2077, 2511, 2619, 3007, 3015, 4185, 4365, 5427, 6231, 6499, 7857, 9021, 9045, 10385, 12555, 13095, 15035, 18693, 19497, 27063, 27135, 31155, 32495, 39285, 45105, 56079, 58491, 81189, 93465, 97485, 135315, 168237, 175473, 201469, 243567, 280395, 292455, 405945, 526419, 604407, 841185, 877365, 1007345, 1217835, 1813221, 2632095, 3022035, 5439663, 9066105, 16318989, 27198315, 81594945]

約数ペア:

[(1, 81594945), (3, 27198315), (5, 16318989), (9, 9066105), (15, 5439663), (27, 3022035), (31, 2632095), (45, 1813221), (67, 1217835), (81, 1007345), (93, 877365), (97, 841185), (135, 604407), (155, 526419), (201, 405945), (279, 292455), (291, 280395), (335, 243567), (405, 201469), (465, 175473), (485, 168237), (603, 135315), (837, 97485), (873, 93465), (1005, 81189), (1395, 58491), (1455, 56079), (1809, 45105), (2077, 39285), (2511, 32495), (2619, 31155), (3007, 27135), (3015, 27063), (4185, 19497), (4365, 18693), (5427, 15035), (6231, 13095), (6499, 12555), (7857, 10385), (9021, 9045)]