81162225

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2633}}^1$

素因数の和:2786

約数の個数: 36

約数和(自身を含む): 146487276

約数和(自身を除く): 65325051

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 411, 685, 1233, 2055, 2633, 3425, 6165, 7899, 10275, 13165, 23697, 30825, 39495, 65825, 118485, 197475, 360721, 592425, 1082163, 1803605, 3246489, 5410815, 9018025, 16232445, 27054075, 81162225]

約数ペア:

[(1, 81162225), (3, 27054075), (5, 16232445), (9, 9018025), (15, 5410815), (25, 3246489), (45, 1803605), (75, 1082163), (137, 592425), (225, 360721), (411, 197475), (685, 118485), (1233, 65825), (2055, 39495), (2633, 30825), (3425, 23697), (6165, 13165), (7899, 10275)]