18802125

素因数分解:

$3^5\times 5^3\times {\mathrm{619}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 35206080

約数和(自身を除く): 16403955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 619, 675, 1125, 1215, 1857, 2025, 3095, 3375, 5571, 6075, 9285, 10125, 15475, 16713, 27855, 30375, 46425, 50139, 77375, 83565, 139275, 150417, 232125, 250695, 417825, 696375, 752085, 1253475, 2089125, 3760425, 6267375, 18802125]

約数ペア:

[(1, 18802125), (3, 6267375), (5, 3760425), (9, 2089125), (15, 1253475), (25, 752085), (27, 696375), (45, 417825), (75, 250695), (81, 232125), (125, 150417), (135, 139275), (225, 83565), (243, 77375), (375, 50139), (405, 46425), (619, 30375), (675, 27855), (1125, 16713), (1215, 15475), (1857, 10125), (2025, 9285), (3095, 6075), (3375, 5571)]