40489515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 77197536

約数和(自身を除く): 36708021

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 157, 165, 471, 495, 521, 785, 1413, 1563, 1727, 2355, 2605, 4689, 5181, 5731, 7065, 7815, 8635, 15543, 17193, 23445, 25905, 28655, 51579, 77715, 81797, 85965, 245391, 257895, 408985, 736173, 899767, 1226955, 2699301, 3680865, 4498835, 8097903, 13496505, 40489515]

約数ペア:

[(1, 40489515), (3, 13496505), (5, 8097903), (9, 4498835), (11, 3680865), (15, 2699301), (33, 1226955), (45, 899767), (55, 736173), (99, 408985), (157, 257895), (165, 245391), (471, 85965), (495, 81797), (521, 77715), (785, 51579), (1413, 28655), (1563, 25905), (1727, 23445), (2355, 17193), (2605, 15543), (4689, 8635), (5181, 7815), (5731, 7065)]