4223457

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 7258836

約数和(自身を除く): 3035379

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 157, 183, 427, 441, 471, 549, 1099, 1281, 1413, 2989, 3297, 3843, 7693, 8967, 9577, 9891, 23079, 26901, 28731, 67039, 69237, 86193, 201117, 469273, 603351, 1407819, 4223457]

約数ペア:

[(1, 4223457), (3, 1407819), (7, 603351), (9, 469273), (21, 201117), (49, 86193), (61, 69237), (63, 67039), (147, 28731), (157, 26901), (183, 23079), (427, 9891), (441, 9577), (471, 8967), (549, 7693), (1099, 3843), (1281, 3297), (1413, 2989)]