77180145

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 144128256

約数和(自身を除く): 66948111

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 2143, 2401, 5145, 6429, 7203, 10715, 12005, 15001, 32145, 36015, 45003, 75005, 105007, 225015, 315021, 525035, 735049, 1575105, 2205147, 3675245, 5145343, 11025735, 15436029, 25726715, 77180145]

約数ペア:

[(1, 77180145), (3, 25726715), (5, 15436029), (7, 11025735), (15, 5145343), (21, 3675245), (35, 2205147), (49, 1575105), (105, 735049), (147, 525035), (245, 315021), (343, 225015), (735, 105007), (1029, 75005), (1715, 45003), (2143, 36015), (2401, 32145), (5145, 15001), (6429, 12005), (7203, 10715)]