206563749

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 322560000

約数和(自身を除く): 115996251

約数列:

[1, 3, 7, 21, 79, 89, 237, 267, 553, 623, 1399, 1659, 1869, 4197, 7031, 9793, 21093, 29379, 49217, 110521, 124511, 147651, 331563, 373533, 773647, 871577, 2320941, 2614731, 9836369, 29509107, 68854583, 206563749]

約数ペア:

[(1, 206563749), (3, 68854583), (7, 29509107), (21, 9836369), (79, 2614731), (89, 2320941), (237, 871577), (267, 773647), (553, 373533), (623, 331563), (1399, 147651), (1659, 124511), (1869, 110521), (4197, 49217), (7031, 29379), (9793, 21093)]