28157307

素因数分解:

$3^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 38085120

約数和(自身を除く): 9927813

約数列:

[1, 3, 173, 227, 239, 519, 681, 717, 39271, 41347, 54253, 117813, 124041, 162759, 9385769, 28157307]

約数ペア:

[(1, 28157307), (3, 9385769), (173, 162759), (227, 124041), (239, 117813), (519, 54253), (681, 41347), (717, 39271)]