15666843213

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^2\times {\mathrm{337}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 26746875584

約数和(自身を除く): 11080032371

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 131, 301, 337, 387, 393, 903, 917, 1011, 1179, 2359, 2709, 2751, 3033, 5633, 7077, 8253, 14491, 16899, 17161, 21231, 39431, 43473, 44147, 50697, 51483, 101437, 118293, 120127, 130419, 132441, 154449, 304311, 309029, 354879, 360381, 397323, 737923, 912933, 927087, 1081143, 1898321, 2213769, 2781261, 5165461, 5694963, 5783257, 6641307, 13288247, 15496383, 17084889, 17349771, 39864741, 40482799, 46489149, 52049313, 119594223, 121448397, 248680051, 364345191, 746040153, 1740760357, 2238120459, 5222281071, 15666843213]

約数ペア:

[(1, 15666843213), (3, 5222281071), (7, 2238120459), (9, 1740760357), (21, 746040153), (43, 364345191), (63, 248680051), (129, 121448397), (131, 119594223), (301, 52049313), (337, 46489149), (387, 40482799), (393, 39864741), (903, 17349771), (917, 17084889), (1011, 15496383), (1179, 13288247), (2359, 6641307), (2709, 5783257), (2751, 5694963), (3033, 5165461), (5633, 2781261), (7077, 2213769), (8253, 1898321), (14491, 1081143), (16899, 927087), (17161, 912933), (21231, 737923), (39431, 397323), (43473, 360381), (44147, 354879), (50697, 309029), (51483, 304311), (101437, 154449), (118293, 132441), (120127, 130419)]