213475815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23369}}^1$

素因数の和:23416

約数の個数: 48

約数和(自身を含む): 437486400

約数和(自身を除く): 224010585

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 9135, 23369, 70107, 116845, 163583, 210321, 350535, 490749, 677701, 817915, 1051605, 1472247, 2033103, 2453745, 3388505, 4743907, 6099309, 7361235, 10165515, 14231721, 23719535, 30496545, 42695163, 71158605, 213475815]

約数ペア:

[(1, 213475815), (3, 71158605), (5, 42695163), (7, 30496545), (9, 23719535), (15, 14231721), (21, 10165515), (29, 7361235), (35, 6099309), (45, 4743907), (63, 3388505), (87, 2453745), (105, 2033103), (145, 1472247), (203, 1051605), (261, 817915), (315, 677701), (435, 490749), (609, 350535), (1015, 210321), (1305, 163583), (1827, 116845), (3045, 70107), (9135, 23369)]