15218553

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 25104384

約数和(自身を除く): 9885831

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 907, 987, 2397, 2721, 5593, 6349, 15419, 16779, 19047, 42629, 46257, 107933, 127887, 298403, 323799, 724693, 895209, 2174079, 5072851, 15218553]

約数ペア:

[(1, 15218553), (3, 5072851), (7, 2174079), (17, 895209), (21, 724693), (47, 323799), (51, 298403), (119, 127887), (141, 107933), (329, 46257), (357, 42629), (799, 19047), (907, 16779), (987, 15419), (2397, 6349), (2721, 5593)]