12880875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{701}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 24968736

約数和(自身を除く): 12087861

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 701, 735, 875, 1225, 2103, 2625, 3505, 3675, 4907, 6125, 10515, 14721, 17525, 18375, 24535, 34349, 52575, 73605, 87625, 103047, 122675, 171745, 262875, 368025, 515235, 613375, 858725, 1840125, 2576175, 4293625, 12880875]

約数ペア:

[(1, 12880875), (3, 4293625), (5, 2576175), (7, 1840125), (15, 858725), (21, 613375), (25, 515235), (35, 368025), (49, 262875), (75, 171745), (105, 122675), (125, 103047), (147, 87625), (175, 73605), (245, 52575), (375, 34349), (525, 24535), (701, 18375), (735, 17525), (875, 14721), (1225, 10515), (2103, 6125), (2625, 4907), (3505, 3675)]