1004047779

素因数分解:

$3^1\times 7^4\times {\mathrm{139393}}^1$

素因数の和:139424

約数の個数: 20

約数和(自身を含む): 1561770376

約数和(自身を除く): 557722597

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 139393, 418179, 975751, 2927253, 6830257, 20490771, 47811799, 143435397, 334682593, 1004047779]

約数ペア:

[(1, 1004047779), (3, 334682593), (7, 143435397), (21, 47811799), (49, 20490771), (147, 6830257), (343, 2927253), (1029, 975751), (2401, 418179), (7203, 139393)]