28927605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 54518400

約数和(自身を除く): 25590795

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 149, 215, 301, 447, 645, 745, 903, 1043, 1505, 1849, 2235, 3129, 4515, 5215, 5547, 6407, 9245, 12943, 15645, 19221, 27735, 32035, 38829, 44849, 64715, 96105, 134547, 194145, 224245, 275501, 672735, 826503, 1377505, 1928507, 4132515, 5785521, 9642535, 28927605]

約数ペア:

[(1, 28927605), (3, 9642535), (5, 5785521), (7, 4132515), (15, 1928507), (21, 1377505), (35, 826503), (43, 672735), (105, 275501), (129, 224245), (149, 194145), (215, 134547), (301, 96105), (447, 64715), (645, 44849), (745, 38829), (903, 32035), (1043, 27735), (1505, 19221), (1849, 15645), (2235, 12943), (3129, 9245), (4515, 6407), (5215, 5547)]