280140315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{15787}}^1$

素因数の和:15828

約数の個数: 48

約数和(自身を含む): 554727168

約数和(自身を除く): 274586853

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1365, 2535, 3549, 5915, 15787, 17745, 47361, 78935, 110509, 205231, 236805, 331527, 552545, 615693, 1026155, 1436617, 1657635, 2668003, 3078465, 4309851, 7183085, 8004009, 13340015, 18676021, 21549255, 40020045, 56028063, 93380105, 280140315]

約数ペア:

[(1, 280140315), (3, 93380105), (5, 56028063), (7, 40020045), (13, 21549255), (15, 18676021), (21, 13340015), (35, 8004009), (39, 7183085), (65, 4309851), (91, 3078465), (105, 2668003), (169, 1657635), (195, 1436617), (273, 1026155), (455, 615693), (507, 552545), (845, 331527), (1183, 236805), (1365, 205231), (2535, 110509), (3549, 78935), (5915, 47361), (15787, 17745)]