28310541

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 16396275

約数列:

[1, 3, 7, 21, 41, 123, 131, 251, 287, 393, 753, 861, 917, 1757, 2751, 5271, 5371, 10291, 16113, 30873, 32881, 37597, 72037, 98643, 112791, 216111, 230167, 690501, 1348121, 4044363, 9436847, 28310541]

約数ペア:

[(1, 28310541), (3, 9436847), (7, 4044363), (21, 1348121), (41, 690501), (123, 230167), (131, 216111), (251, 112791), (287, 98643), (393, 72037), (753, 37597), (861, 32881), (917, 30873), (1757, 16113), (2751, 10291), (5271, 5371)]