661645125

素因数分解:

$3^3\times 5^3\times {\mathrm{196043}}^1$

素因数の和:196067

約数の個数: 32

約数和(自身を含む): 1223314560

約数和(自身を除く): 561669435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 196043, 588129, 980215, 1764387, 2940645, 4901075, 5293161, 8821935, 14703225, 24505375, 26465805, 44109675, 73516125, 132329025, 220548375, 661645125]

約数ペア:

[(1, 661645125), (3, 220548375), (5, 132329025), (9, 73516125), (15, 44109675), (25, 26465805), (27, 24505375), (45, 14703225), (75, 8821935), (125, 5293161), (135, 4901075), (225, 2940645), (375, 1764387), (675, 980215), (1125, 588129), (3375, 196043)]