223137243

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 376137216

約数和(自身を除く): 152999973

約数列:

[1, 3, 7, 9, 21, 63, 103, 137, 251, 309, 411, 721, 753, 927, 959, 1233, 1757, 2163, 2259, 2877, 5271, 6489, 8631, 14111, 15813, 25853, 34387, 42333, 77559, 98777, 103161, 126999, 180971, 232677, 240709, 296331, 309483, 542913, 722127, 888993, 1628739, 2166381, 3541861, 10625583, 24793027, 31876749, 74379081, 223137243]

約数ペア:

[(1, 223137243), (3, 74379081), (7, 31876749), (9, 24793027), (21, 10625583), (63, 3541861), (103, 2166381), (137, 1628739), (251, 888993), (309, 722127), (411, 542913), (721, 309483), (753, 296331), (927, 240709), (959, 232677), (1233, 180971), (1757, 126999), (2163, 103161), (2259, 98777), (2877, 77559), (5271, 42333), (6489, 34387), (8631, 25853), (14111, 15813)]