28826745

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 19833735

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1319, 1457, 3957, 4371, 6595, 7285, 19785, 21855, 40889, 61993, 122667, 185979, 204445, 309965, 613335, 929895, 1921783, 5765349, 9608915, 28826745]

約数ペア:

[(1, 28826745), (3, 9608915), (5, 5765349), (15, 1921783), (31, 929895), (47, 613335), (93, 309965), (141, 204445), (155, 185979), (235, 122667), (465, 61993), (705, 40889), (1319, 21855), (1457, 19785), (3957, 7285), (4371, 6595)]