242109

素因数分解:

$3^4\times 7^2\times {\mathrm{61}}^1$

素因数の和:87

約数の個数: 30

約数和(自身を含む): 427614

約数和(自身を除く): 185505

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 147, 183, 189, 427, 441, 549, 567, 1281, 1323, 1647, 2989, 3843, 3969, 4941, 8967, 11529, 26901, 34587, 80703, 242109]

約数ペア:

[(1, 242109), (3, 80703), (7, 34587), (9, 26901), (21, 11529), (27, 8967), (49, 4941), (61, 3969), (63, 3843), (81, 2989), (147, 1647), (183, 1323), (189, 1281), (427, 567), (441, 549)]