81444285

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 162624000

約数和(自身を除く): 81179715

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 195, 279, 351, 403, 405, 465, 499, 585, 837, 1053, 1209, 1395, 1497, 1755, 2015, 2495, 2511, 3627, 4185, 4491, 5265, 6045, 6487, 7485, 10881, 12555, 13473, 15469, 18135, 19461, 22455, 32435, 32643, 40419, 46407, 54405, 58383, 67365, 77345, 97305, 139221, 163215, 175149, 201097, 202095, 232035, 291915, 417663, 525447, 603291, 696105, 875745, 1005485, 1252989, 1809873, 2088315, 2627235, 3016455, 5429619, 6264945, 9049365, 16288857, 27148095, 81444285]

約数ペア:

[(1, 81444285), (3, 27148095), (5, 16288857), (9, 9049365), (13, 6264945), (15, 5429619), (27, 3016455), (31, 2627235), (39, 2088315), (45, 1809873), (65, 1252989), (81, 1005485), (93, 875745), (117, 696105), (135, 603291), (155, 525447), (195, 417663), (279, 291915), (351, 232035), (403, 202095), (405, 201097), (465, 175149), (499, 163215), (585, 139221), (837, 97305), (1053, 77345), (1209, 67365), (1395, 58383), (1497, 54405), (1755, 46407), (2015, 40419), (2495, 32643), (2511, 32435), (3627, 22455), (4185, 19461), (4491, 18135), (5265, 15469), (6045, 13473), (6487, 12555), (7485, 10881)]