1994478003

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{400739}}^1$

素因数の和:400831

約数の個数: 24

約数和(自身を含む): 3334156800

約数和(自身を除く): 1339678797

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 400739, 1202217, 2805173, 3606651, 8415519, 25246557, 31658381, 94975143, 221608667, 284925429, 664826001, 1994478003]

約数ペア:

[(1, 1994478003), (3, 664826001), (7, 284925429), (9, 221608667), (21, 94975143), (63, 31658381), (79, 25246557), (237, 8415519), (553, 3606651), (711, 2805173), (1659, 1202217), (4977, 400739)]