51730623

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 90753120

約数和(自身を除く): 39022497

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 641, 1281, 1323, 1647, 1923, 2989, 3843, 4487, 5769, 8967, 11529, 13461, 17307, 26901, 31409, 39101, 40383, 80703, 94227, 117303, 121149, 273707, 282681, 351909, 821121, 848043, 1055727, 1915949, 2463363, 5747847, 7390089, 17243541, 51730623]

約数ペア:

[(1, 51730623), (3, 17243541), (7, 7390089), (9, 5747847), (21, 2463363), (27, 1915949), (49, 1055727), (61, 848043), (63, 821121), (147, 351909), (183, 282681), (189, 273707), (427, 121149), (441, 117303), (549, 94227), (641, 80703), (1281, 40383), (1323, 39101), (1647, 31409), (1923, 26901), (2989, 17307), (3843, 13461), (4487, 11529), (5769, 8967)]