2656553571

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{105683}}^1$

素因数の和:105725

約数の個数: 48

約数和(自身を含む): 4819190400

約数和(自身を除く): 2162636829

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 25137, 105683, 317049, 739781, 951147, 2007977, 2219343, 2853441, 5178467, 6023931, 6658029, 14055839, 15535401, 18071793, 19974087, 42167517, 46606203, 54215379, 98390873, 126502551, 139818609, 295172619, 379507653, 885517857, 2656553571]

約数ペア:

[(1, 2656553571), (3, 885517857), (7, 379507653), (9, 295172619), (19, 139818609), (21, 126502551), (27, 98390873), (49, 54215379), (57, 46606203), (63, 42167517), (133, 19974087), (147, 18071793), (171, 15535401), (189, 14055839), (399, 6658029), (441, 6023931), (513, 5178467), (931, 2853441), (1197, 2219343), (1323, 2007977), (2793, 951147), (3591, 739781), (8379, 317049), (25137, 105683)]