80878545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 154440000

約数和(自身を除く): 73561455

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 109, 165, 327, 495, 545, 981, 1199, 1499, 1635, 3597, 4497, 4905, 5995, 7495, 10791, 13491, 16489, 17985, 22485, 49467, 53955, 67455, 82445, 148401, 163391, 247335, 490173, 742005, 816955, 1470519, 1797301, 2450865, 5391903, 7352595, 8986505, 16175709, 26959515, 80878545]

約数ペア:

[(1, 80878545), (3, 26959515), (5, 16175709), (9, 8986505), (11, 7352595), (15, 5391903), (33, 2450865), (45, 1797301), (55, 1470519), (99, 816955), (109, 742005), (165, 490173), (327, 247335), (495, 163391), (545, 148401), (981, 82445), (1199, 67455), (1499, 53955), (1635, 49467), (3597, 22485), (4497, 17985), (4905, 16489), (5995, 13491), (7495, 10791)]