215450109

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{8009}}^1$

素因数の和:8090

約数の個数: 36

約数和(自身を含む): 367995420

約数和(自身を除く): 152545311

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2989, 3843, 8009, 8967, 24027, 26901, 56063, 72081, 168189, 392441, 488549, 504567, 1177323, 1465647, 3419843, 3531969, 4396941, 10259529, 23938901, 30778587, 71816703, 215450109]

約数ペア:

[(1, 215450109), (3, 71816703), (7, 30778587), (9, 23938901), (21, 10259529), (49, 4396941), (61, 3531969), (63, 3419843), (147, 1465647), (183, 1177323), (427, 504567), (441, 488549), (549, 392441), (1281, 168189), (2989, 72081), (3843, 56063), (8009, 26901), (8967, 24027)]