189765375

素因数分解:

$3^1\times 5^3\times {\mathrm{643}}^1\times {\mathrm{787}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 316662528

約数和(自身を除く): 126897153

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 643, 787, 1929, 2361, 3215, 3935, 9645, 11805, 16075, 19675, 48225, 59025, 80375, 98375, 241125, 295125, 506041, 1518123, 2530205, 7590615, 12651025, 37953075, 63255125, 189765375]

約数ペア:

[(1, 189765375), (3, 63255125), (5, 37953075), (15, 12651025), (25, 7590615), (75, 2530205), (125, 1518123), (375, 506041), (643, 295125), (787, 241125), (1929, 98375), (2361, 80375), (3215, 59025), (3935, 48225), (9645, 19675), (11805, 16075)]