49973679

素因数分解:

$3^6\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 42

約数和(自身を含む): 87221400

約数和(自身を除く): 37247721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1399, 1701, 3969, 4197, 5103, 9793, 11907, 12591, 29379, 35721, 37773, 68551, 88137, 113319, 205653, 264411, 339957, 616959, 793233, 1019871, 1850877, 2379699, 5552631, 7139097, 16657893, 49973679]

約数ペア:

[(1, 49973679), (3, 16657893), (7, 7139097), (9, 5552631), (21, 2379699), (27, 1850877), (49, 1019871), (63, 793233), (81, 616959), (147, 339957), (189, 264411), (243, 205653), (441, 113319), (567, 88137), (729, 68551), (1323, 37773), (1399, 35721), (1701, 29379), (3969, 12591), (4197, 11907), (5103, 9793)]