78540867

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 124200000

約数和(自身を除く): 45659133

約数列:

[1, 3, 9, 17, 27, 51, 137, 153, 411, 459, 1233, 1249, 2329, 3699, 3747, 6987, 11241, 20961, 21233, 33723, 62883, 63699, 171113, 191097, 513339, 573291, 1540017, 2908921, 4620051, 8726763, 26180289, 78540867]

約数ペア:

[(1, 78540867), (3, 26180289), (9, 8726763), (17, 4620051), (27, 2908921), (51, 1540017), (137, 573291), (153, 513339), (411, 191097), (459, 171113), (1233, 63699), (1249, 62883), (2329, 33723), (3699, 21233), (3747, 20961), (6987, 11241)]