27458109

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 47548160

約数和(自身を除く): 20090051

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 613, 711, 1659, 1839, 2133, 4291, 4977, 5517, 6399, 12873, 14931, 16551, 38619, 44793, 48427, 49653, 115857, 145281, 338989, 347571, 435843, 1016967, 1307529, 3050901, 3922587, 9152703, 27458109]

約数ペア:

[(1, 27458109), (3, 9152703), (7, 3922587), (9, 3050901), (21, 1307529), (27, 1016967), (63, 435843), (79, 347571), (81, 338989), (189, 145281), (237, 115857), (553, 49653), (567, 48427), (613, 44793), (711, 38619), (1659, 16551), (1839, 14931), (2133, 12873), (4291, 6399), (4977, 5517)]