213048015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2411}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 351495936

約数和(自身を除く): 138447921

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 411, 645, 685, 2055, 2411, 5891, 7233, 12055, 17673, 29455, 36165, 88365, 103673, 311019, 330307, 518365, 990921, 1555095, 1651535, 4954605, 14203201, 42609603, 71016005, 213048015]

約数ペア:

[(1, 213048015), (3, 71016005), (5, 42609603), (15, 14203201), (43, 4954605), (129, 1651535), (137, 1555095), (215, 990921), (411, 518365), (645, 330307), (685, 311019), (2055, 103673), (2411, 88365), (5891, 36165), (7233, 29455), (12055, 17673)]