80363925

素因数分解:

$3^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1423}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 144615744

約数和(自身を除く): 64251819

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 251, 753, 1255, 1423, 2259, 3765, 4269, 6275, 7115, 11295, 12807, 18825, 21345, 35575, 56475, 64035, 106725, 320175, 357173, 1071519, 1785865, 3214557, 5357595, 8929325, 16072785, 26787975, 80363925]

約数ペア:

[(1, 80363925), (3, 26787975), (5, 16072785), (9, 8929325), (15, 5357595), (25, 3214557), (45, 1785865), (75, 1071519), (225, 357173), (251, 320175), (753, 106725), (1255, 64035), (1423, 56475), (2259, 35575), (3765, 21345), (4269, 18825), (6275, 12807), (7115, 11295)]