81275215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5939}}^1$

素因数の和:5991

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 41896625

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 5939, 13685, 29695, 41573, 100963, 136597, 207865, 504815, 682985, 706741, 956179, 2322149, 3533705, 4780895, 11610745, 16255043, 81275215]

約数ペア:

[(1, 81275215), (5, 16255043), (7, 11610745), (17, 4780895), (23, 3533705), (35, 2322149), (85, 956179), (115, 706741), (119, 682985), (161, 504815), (391, 207865), (595, 136597), (805, 100963), (1955, 41573), (2737, 29695), (5939, 13685)]