81191565

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 179211648

約数和(自身を除く): 98020083

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 819, 945, 1053, 1365, 1755, 2203, 2457, 2835, 4095, 5265, 6609, 7371, 11015, 12285, 15421, 19827, 28639, 33045, 36855, 46263, 59481, 77105, 85917, 99135, 138789, 143195, 178443, 200473, 231315, 257751, 297405, 416367, 429585, 601419, 693945, 773253, 892215, 1002365, 1249101, 1288755, 1804257, 2081835, 2319759, 3007095, 3866265, 5412771, 6245505, 9021285, 11598795, 16238313, 27063855, 81191565]

約数ペア:

[(1, 81191565), (3, 27063855), (5, 16238313), (7, 11598795), (9, 9021285), (13, 6245505), (15, 5412771), (21, 3866265), (27, 3007095), (35, 2319759), (39, 2081835), (45, 1804257), (63, 1288755), (65, 1249101), (81, 1002365), (91, 892215), (105, 773253), (117, 693945), (135, 601419), (189, 429585), (195, 416367), (273, 297405), (315, 257751), (351, 231315), (405, 200473), (455, 178443), (567, 143195), (585, 138789), (819, 99135), (945, 85917), (1053, 77105), (1365, 59481), (1755, 46263), (2203, 36855), (2457, 33045), (2835, 28639), (4095, 19827), (5265, 15421), (6609, 12285), (7371, 11015)]