81654705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 155203776

約数和(自身を除く): 73549071

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 293, 495, 563, 879, 1465, 1689, 2637, 2815, 3223, 4395, 5067, 6193, 8445, 9669, 13185, 16115, 18579, 25335, 29007, 30965, 48345, 55737, 92895, 145035, 164959, 278685, 494877, 824795, 1484631, 1814549, 2474385, 5443647, 7423155, 9072745, 16330941, 27218235, 81654705]

約数ペア:

[(1, 81654705), (3, 27218235), (5, 16330941), (9, 9072745), (11, 7423155), (15, 5443647), (33, 2474385), (45, 1814549), (55, 1484631), (99, 824795), (165, 494877), (293, 278685), (495, 164959), (563, 145035), (879, 92895), (1465, 55737), (1689, 48345), (2637, 30965), (2815, 29007), (3223, 25335), (4395, 18579), (5067, 16115), (6193, 13185), (8445, 9669)]