1985625

素因数分解:

$3^2\times 5^4\times {\mathrm{353}}^1$

素因数の和:379

約数の個数: 30

約数和(自身を含む): 3594162

約数和(自身を除く): 1608537

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 353, 375, 625, 1059, 1125, 1765, 1875, 3177, 5295, 5625, 8825, 15885, 26475, 44125, 79425, 132375, 220625, 397125, 661875, 1985625]

約数ペア:

[(1, 1985625), (3, 661875), (5, 397125), (9, 220625), (15, 132375), (25, 79425), (45, 44125), (75, 26475), (125, 15885), (225, 8825), (353, 5625), (375, 5295), (625, 3177), (1059, 1875), (1125, 1765)]