42123015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 81544320

約数和(自身を除く): 39421305

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 1979, 2365, 4257, 5937, 7095, 9895, 17811, 21285, 21769, 29685, 65307, 85097, 89055, 108845, 195921, 255291, 326535, 425485, 765873, 936067, 979605, 1276455, 2808201, 3829365, 4680335, 8424603, 14041005, 42123015]

約数ペア:

[(1, 42123015), (3, 14041005), (5, 8424603), (9, 4680335), (11, 3829365), (15, 2808201), (33, 1276455), (43, 979605), (45, 936067), (55, 765873), (99, 425485), (129, 326535), (165, 255291), (215, 195921), (387, 108845), (473, 89055), (495, 85097), (645, 65307), (1419, 29685), (1935, 21769), (1979, 21285), (2365, 17811), (4257, 9895), (5937, 7095)]