78558525

素因数分解:

$3^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 145337920

約数和(自身を除く): 66779395

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 181, 225, 543, 643, 675, 905, 1629, 1929, 2715, 3215, 4525, 4887, 5787, 8145, 9645, 13575, 16075, 17361, 24435, 28935, 40725, 48225, 86805, 116383, 122175, 144675, 349149, 434025, 581915, 1047447, 1745745, 2909575, 3142341, 5237235, 8728725, 15711705, 26186175, 78558525]

約数ペア:

[(1, 78558525), (3, 26186175), (5, 15711705), (9, 8728725), (15, 5237235), (25, 3142341), (27, 2909575), (45, 1745745), (75, 1047447), (135, 581915), (181, 434025), (225, 349149), (543, 144675), (643, 122175), (675, 116383), (905, 86805), (1629, 48225), (1929, 40725), (2715, 28935), (3215, 24435), (4525, 17361), (4887, 16075), (5787, 13575), (8145, 9645)]