31087287

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 60518400

約数和(自身を除く): 29431113

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 693, 787, 1197, 1463, 1881, 2079, 2361, 3591, 4389, 5509, 5643, 7083, 8657, 13167, 14953, 16527, 21249, 25971, 39501, 44859, 49581, 60599, 77913, 104671, 134577, 148743, 164483, 181797, 233739, 314013, 403731, 493449, 545391, 942039, 1151381, 1480347, 1636173, 2826117, 3454143, 4441041, 10362429, 31087287]

約数ペア:

[(1, 31087287), (3, 10362429), (7, 4441041), (9, 3454143), (11, 2826117), (19, 1636173), (21, 1480347), (27, 1151381), (33, 942039), (57, 545391), (63, 493449), (77, 403731), (99, 314013), (133, 233739), (171, 181797), (189, 164483), (209, 148743), (231, 134577), (297, 104671), (399, 77913), (513, 60599), (627, 49581), (693, 44859), (787, 39501), (1197, 25971), (1463, 21249), (1881, 16527), (2079, 14953), (2361, 13167), (3591, 8657), (4389, 7083), (5509, 5643)]