28200879

素因数分解:

$3^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 21070161

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 243, 281, 413, 531, 567, 843, 1239, 1593, 1701, 1967, 2529, 3717, 4779, 5901, 7587, 11151, 14337, 16579, 17703, 22761, 33453, 49737, 53109, 68283, 100359, 116053, 149211, 159327, 348159, 447633, 477981, 1044477, 1342899, 3133431, 4028697, 9400293, 28200879]

約数ペア:

[(1, 28200879), (3, 9400293), (7, 4028697), (9, 3133431), (21, 1342899), (27, 1044477), (59, 477981), (63, 447633), (81, 348159), (177, 159327), (189, 149211), (243, 116053), (281, 100359), (413, 68283), (531, 53109), (567, 49737), (843, 33453), (1239, 22761), (1593, 17703), (1701, 16579), (1967, 14337), (2529, 11151), (3717, 7587), (4779, 5901)]