28855725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13267}}^1$

素因数の和:13309

約数の個数: 24

約数和(自身を含む): 49356960

約数和(自身を除く): 20501235

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13267, 39801, 66335, 199005, 331675, 384743, 995025, 1154229, 1923715, 5771145, 9618575, 28855725]

約数ペア:

[(1, 28855725), (3, 9618575), (5, 5771145), (15, 1923715), (25, 1154229), (29, 995025), (75, 384743), (87, 331675), (145, 199005), (435, 66335), (725, 39801), (2175, 13267)]