15993747

素因数分解:

$3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 30336000

約数和(自身を除く): 14342253

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 157, 189, 231, 297, 343, 441, 471, 539, 693, 1029, 1099, 1323, 1413, 1617, 1727, 2079, 3087, 3297, 3773, 4239, 4851, 5181, 7693, 9261, 9891, 11319, 12089, 14553, 15543, 23079, 29673, 33957, 36267, 46629, 53851, 69237, 84623, 101871, 108801, 161553, 207711, 253869, 326403, 484659, 592361, 761607, 1453977, 1777083, 2284821, 5331249, 15993747]

約数ペア:

[(1, 15993747), (3, 5331249), (7, 2284821), (9, 1777083), (11, 1453977), (21, 761607), (27, 592361), (33, 484659), (49, 326403), (63, 253869), (77, 207711), (99, 161553), (147, 108801), (157, 101871), (189, 84623), (231, 69237), (297, 53851), (343, 46629), (441, 36267), (471, 33957), (539, 29673), (693, 23079), (1029, 15543), (1099, 14553), (1323, 12089), (1413, 11319), (1617, 9891), (1727, 9261), (2079, 7693), (3087, 5181), (3297, 4851), (3773, 4239)]