51801771

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 89631360

約数和(自身を除く): 37829589

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 1091, 2261, 2499, 2793, 3273, 6783, 7637, 15827, 18547, 20729, 22911, 47481, 53459, 55641, 62187, 129829, 145103, 160377, 352393, 389487, 435309, 908803, 1015721, 1057179, 2466751, 2726409, 3047163, 7400253, 17267257, 51801771]

約数ペア:

[(1, 51801771), (3, 17267257), (7, 7400253), (17, 3047163), (19, 2726409), (21, 2466751), (49, 1057179), (51, 1015721), (57, 908803), (119, 435309), (133, 389487), (147, 352393), (323, 160377), (357, 145103), (399, 129829), (833, 62187), (931, 55641), (969, 53459), (1091, 47481), (2261, 22911), (2499, 20729), (2793, 18547), (3273, 15827), (6783, 7637)]