28978965

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 29517291

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 61, 69, 81, 85, 115, 135, 153, 183, 207, 243, 255, 305, 345, 391, 405, 459, 549, 621, 765, 915, 1035, 1037, 1173, 1215, 1377, 1403, 1647, 1863, 1955, 2295, 2745, 3105, 3111, 3519, 4131, 4209, 4941, 5185, 5589, 5865, 6885, 7015, 8235, 9315, 9333, 10557, 12627, 14823, 15555, 17595, 20655, 21045, 23851, 24705, 27945, 27999, 31671, 37881, 46665, 52785, 63135, 71553, 74115, 83997, 95013, 113643, 119255, 139995, 158355, 189405, 214659, 251991, 340929, 357765, 419985, 475065, 568215, 643977, 1073295, 1259955, 1704645, 1931931, 3219885, 5795793, 9659655, 28978965]

約数ペア:

[(1, 28978965), (3, 9659655), (5, 5795793), (9, 3219885), (15, 1931931), (17, 1704645), (23, 1259955), (27, 1073295), (45, 643977), (51, 568215), (61, 475065), (69, 419985), (81, 357765), (85, 340929), (115, 251991), (135, 214659), (153, 189405), (183, 158355), (207, 139995), (243, 119255), (255, 113643), (305, 95013), (345, 83997), (391, 74115), (405, 71553), (459, 63135), (549, 52785), (621, 46665), (765, 37881), (915, 31671), (1035, 27999), (1037, 27945), (1173, 24705), (1215, 23851), (1377, 21045), (1403, 20655), (1647, 17595), (1863, 15555), (1955, 14823), (2295, 12627), (2745, 10557), (3105, 9333), (3111, 9315), (3519, 8235), (4131, 7015), (4209, 6885), (4941, 5865), (5185, 5589)]