986781663

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{971}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 1766707200

約数和(自身を除く): 779925537

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 283, 399, 513, 849, 971, 1197, 1981, 2547, 2913, 3591, 5377, 5943, 6797, 7641, 8739, 16131, 17829, 18449, 20391, 26217, 37639, 48393, 53487, 55347, 61173, 112917, 129143, 145179, 166041, 183519, 274793, 338751, 387429, 498123, 824379, 1016253, 1162287, 1923551, 2473137, 3486861, 5221067, 5770653, 7419411, 15663201, 17311959, 36547469, 46989603, 51935877, 109642407, 140968809, 328927221, 986781663]

約数ペア:

[(1, 986781663), (3, 328927221), (7, 140968809), (9, 109642407), (19, 51935877), (21, 46989603), (27, 36547469), (57, 17311959), (63, 15663201), (133, 7419411), (171, 5770653), (189, 5221067), (283, 3486861), (399, 2473137), (513, 1923551), (849, 1162287), (971, 1016253), (1197, 824379), (1981, 498123), (2547, 387429), (2913, 338751), (3591, 274793), (5377, 183519), (5943, 166041), (6797, 145179), (7641, 129143), (8739, 112917), (16131, 61173), (17829, 55347), (18449, 53487), (20391, 48393), (26217, 37639)]