28209006

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{1523}}^1$

素因数の和:1555

約数の個数: 64

約数和(自身を含む): 73152000

約数和(自身を除く): 44942994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 686, 882, 1029, 1323, 1523, 2058, 2646, 3046, 3087, 4569, 6174, 9138, 9261, 10661, 13707, 18522, 21322, 27414, 31983, 41121, 63966, 74627, 82242, 95949, 149254, 191898, 223881, 287847, 447762, 522389, 575694, 671643, 1044778, 1343286, 1567167, 2014929, 3134334, 4029858, 4701501, 9403002, 14104503, 28209006]

約数ペア:

[(1, 28209006), (2, 14104503), (3, 9403002), (6, 4701501), (7, 4029858), (9, 3134334), (14, 2014929), (18, 1567167), (21, 1343286), (27, 1044778), (42, 671643), (49, 575694), (54, 522389), (63, 447762), (98, 287847), (126, 223881), (147, 191898), (189, 149254), (294, 95949), (343, 82242), (378, 74627), (441, 63966), (686, 41121), (882, 31983), (1029, 27414), (1323, 21322), (1523, 18522), (2058, 13707), (2646, 10661), (3046, 9261), (3087, 9138), (4569, 6174)]