72251487

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1561

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 67094433

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 99, 161, 189, 207, 231, 253, 297, 483, 621, 693, 759, 1449, 1511, 1771, 2079, 2277, 4347, 4533, 5313, 6831, 10577, 13599, 15939, 16621, 31731, 34753, 40797, 47817, 49863, 95193, 104259, 116347, 149589, 243271, 285579, 312777, 349041, 382283, 448767, 729813, 938331, 1047123, 1146849, 2189439, 2675981, 3141369, 3440547, 6568317, 8027943, 10321641, 24083829, 72251487]

約数ペア:

[(1, 72251487), (3, 24083829), (7, 10321641), (9, 8027943), (11, 6568317), (21, 3440547), (23, 3141369), (27, 2675981), (33, 2189439), (63, 1146849), (69, 1047123), (77, 938331), (99, 729813), (161, 448767), (189, 382283), (207, 349041), (231, 312777), (253, 285579), (297, 243271), (483, 149589), (621, 116347), (693, 104259), (759, 95193), (1449, 49863), (1511, 47817), (1771, 40797), (2079, 34753), (2277, 31731), (4347, 16621), (4533, 15939), (5313, 13599), (6831, 10577)]