20151117

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 33384000

約数和(自身を除く): 13232883

約数列:

[1, 3, 7, 9, 21, 63, 499, 641, 1497, 1923, 3493, 4487, 4491, 5769, 10479, 13461, 31437, 40383, 319859, 959577, 2239013, 2878731, 6717039, 20151117]

約数ペア:

[(1, 20151117), (3, 6717039), (7, 2878731), (9, 2239013), (21, 959577), (63, 319859), (499, 40383), (641, 31437), (1497, 13461), (1923, 10479), (3493, 5769), (4487, 4491)]