28849527

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 54153792

約数和(自身を除く): 25304265

約数列:

[1, 3, 7, 9, 17, 21, 27, 41, 51, 63, 73, 81, 119, 123, 153, 189, 219, 287, 357, 369, 459, 511, 567, 657, 697, 861, 1071, 1107, 1241, 1377, 1533, 1971, 2091, 2583, 2993, 3213, 3321, 3723, 4599, 4879, 5913, 6273, 7749, 8687, 8979, 9639, 11169, 13797, 14637, 18819, 20951, 23247, 26061, 26937, 33507, 41391, 43911, 50881, 56457, 62853, 78183, 80811, 100521, 131733, 152643, 188559, 234549, 242433, 356167, 395199, 457929, 565677, 703647, 1068501, 1373787, 1697031, 3205503, 4121361, 9616509, 28849527]

約数ペア:

[(1, 28849527), (3, 9616509), (7, 4121361), (9, 3205503), (17, 1697031), (21, 1373787), (27, 1068501), (41, 703647), (51, 565677), (63, 457929), (73, 395199), (81, 356167), (119, 242433), (123, 234549), (153, 188559), (189, 152643), (219, 131733), (287, 100521), (357, 80811), (369, 78183), (459, 62853), (511, 56457), (567, 50881), (657, 43911), (697, 41391), (861, 33507), (1071, 26937), (1107, 26061), (1241, 23247), (1377, 20951), (1533, 18819), (1971, 14637), (2091, 13797), (2583, 11169), (2993, 9639), (3213, 8979), (3321, 8687), (3723, 7749), (4599, 6273), (4879, 5913)]