28158435

素因数分解:

$3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 50860656

約数和(自身を除く): 22702221

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 251, 277, 405, 753, 831, 1255, 1385, 2259, 2493, 3765, 4155, 6777, 7479, 11295, 12465, 20331, 22437, 33885, 37395, 69527, 101655, 112185, 208581, 347635, 625743, 1042905, 1877229, 3128715, 5631687, 9386145, 28158435]

約数ペア:

[(1, 28158435), (3, 9386145), (5, 5631687), (9, 3128715), (15, 1877229), (27, 1042905), (45, 625743), (81, 347635), (135, 208581), (251, 112185), (277, 101655), (405, 69527), (753, 37395), (831, 33885), (1255, 22437), (1385, 20331), (2259, 12465), (2493, 11295), (3765, 7479), (4155, 6777)]