72109521

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 120294720

約数和(自身を除く): 48185199

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 243, 297, 477, 509, 583, 891, 1431, 1527, 1749, 2673, 4293, 4581, 5247, 5599, 12879, 13743, 15741, 16797, 26977, 41229, 47223, 50391, 80931, 123687, 141669, 151173, 242793, 296747, 453519, 728379, 890241, 1360557, 2185137, 2670723, 6555411, 8012169, 24036507, 72109521]

約数ペア:

[(1, 72109521), (3, 24036507), (9, 8012169), (11, 6555411), (27, 2670723), (33, 2185137), (53, 1360557), (81, 890241), (99, 728379), (159, 453519), (243, 296747), (297, 242793), (477, 151173), (509, 141669), (583, 123687), (891, 80931), (1431, 50391), (1527, 47223), (1749, 41229), (2673, 26977), (4293, 16797), (4581, 15741), (5247, 13743), (5599, 12879)]