28159155

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 49988640

約数和(自身を除く): 21829485

約数列:

[1, 3, 5, 9, 15, 45, 79, 89, 237, 267, 395, 445, 711, 801, 1185, 1335, 3555, 4005, 7031, 7921, 21093, 23763, 35155, 39605, 63279, 71289, 105465, 118815, 316395, 356445, 625759, 1877277, 3128795, 5631831, 9386385, 28159155]

約数ペア:

[(1, 28159155), (3, 9386385), (5, 5631831), (9, 3128795), (15, 1877277), (45, 625759), (79, 356445), (89, 316395), (237, 118815), (267, 105465), (395, 71289), (445, 63279), (711, 39605), (801, 35155), (1185, 23763), (1335, 21093), (3555, 7921), (4005, 7031)]