420903

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 760320

約数和(自身を除く): 339417

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 131, 153, 189, 357, 393, 459, 917, 1071, 1179, 2227, 2751, 3213, 3537, 6681, 8253, 15589, 20043, 24759, 46767, 60129, 140301, 420903]

約数ペア:

[(1, 420903), (3, 140301), (7, 60129), (9, 46767), (17, 24759), (21, 20043), (27, 15589), (51, 8253), (63, 6681), (119, 3537), (131, 3213), (153, 2751), (189, 2227), (357, 1179), (393, 1071), (459, 917)]