2804571

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 5529600

約数和(自身を除く): 2725029

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 71, 77, 99, 133, 171, 189, 209, 213, 231, 297, 399, 497, 513, 627, 639, 693, 781, 1197, 1349, 1463, 1491, 1881, 1917, 2079, 2343, 3591, 4047, 4389, 4473, 5467, 5643, 7029, 9443, 12141, 13167, 13419, 14839, 16401, 21087, 28329, 36423, 39501, 44517, 49203, 84987, 103873, 133551, 147609, 254961, 311619, 400653, 934857, 2804571]

約数ペア:

[(1, 2804571), (3, 934857), (7, 400653), (9, 311619), (11, 254961), (19, 147609), (21, 133551), (27, 103873), (33, 84987), (57, 49203), (63, 44517), (71, 39501), (77, 36423), (99, 28329), (133, 21087), (171, 16401), (189, 14839), (209, 13419), (213, 13167), (231, 12141), (297, 9443), (399, 7029), (497, 5643), (513, 5467), (627, 4473), (639, 4389), (693, 4047), (781, 3591), (1197, 2343), (1349, 2079), (1463, 1917), (1491, 1881)]