15300495

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 32117904

約数和(自身を除く): 16817409

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 257, 315, 405, 441, 567, 735, 771, 945, 1215, 1285, 1323, 1701, 1799, 2205, 2313, 2835, 3855, 3969, 5397, 6615, 6939, 8505, 8995, 11565, 11907, 12593, 16191, 19845, 20817, 26985, 34695, 37779, 48573, 59535, 62451, 62965, 80955, 104085, 113337, 145719, 188895, 242865, 312255, 340011, 437157, 566685, 728595, 1020033, 1700055, 2185785, 3060099, 5100165, 15300495]

約数ペア:

[(1, 15300495), (3, 5100165), (5, 3060099), (7, 2185785), (9, 1700055), (15, 1020033), (21, 728595), (27, 566685), (35, 437157), (45, 340011), (49, 312255), (63, 242865), (81, 188895), (105, 145719), (135, 113337), (147, 104085), (189, 80955), (243, 62965), (245, 62451), (257, 59535), (315, 48573), (405, 37779), (441, 34695), (567, 26985), (735, 20817), (771, 19845), (945, 16191), (1215, 12593), (1285, 11907), (1323, 11565), (1701, 8995), (1799, 8505), (2205, 6939), (2313, 6615), (2835, 5397), (3855, 3969)]