81482247

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 72

約数和(自身を含む): 154652400

約数和(自身を除く): 73170153

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 189, 231, 297, 363, 441, 509, 539, 693, 847, 1089, 1323, 1527, 1617, 2079, 2541, 3267, 3563, 4581, 4851, 5599, 5929, 7623, 10689, 13743, 14553, 16797, 17787, 22869, 24941, 32067, 39193, 50391, 53361, 61589, 74823, 96201, 117579, 151173, 160083, 184767, 224469, 274351, 352737, 431123, 554301, 673407, 823053, 1058211, 1293369, 1662903, 2469159, 3017861, 3880107, 7407477, 9053583, 11640321, 27160749, 81482247]

約数ペア:

[(1, 81482247), (3, 27160749), (7, 11640321), (9, 9053583), (11, 7407477), (21, 3880107), (27, 3017861), (33, 2469159), (49, 1662903), (63, 1293369), (77, 1058211), (99, 823053), (121, 673407), (147, 554301), (189, 431123), (231, 352737), (297, 274351), (363, 224469), (441, 184767), (509, 160083), (539, 151173), (693, 117579), (847, 96201), (1089, 74823), (1323, 61589), (1527, 53361), (1617, 50391), (2079, 39193), (2541, 32067), (3267, 24941), (3563, 22869), (4581, 17787), (4851, 16797), (5599, 14553), (5929, 13743), (7623, 10689)]