28535571

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 48142512

約数和(自身を除く): 19606941

約数列:

[1, 3, 9, 17, 23, 27, 51, 53, 69, 81, 153, 159, 207, 289, 391, 459, 477, 621, 867, 901, 1173, 1219, 1377, 1431, 1863, 2601, 2703, 3519, 3657, 4293, 6647, 7803, 8109, 10557, 10971, 15317, 19941, 20723, 23409, 24327, 31671, 32913, 45951, 59823, 62169, 72981, 98739, 137853, 179469, 186507, 352291, 413559, 538407, 559521, 1056873, 1240677, 1678563, 3170619, 9511857, 28535571]

約数ペア:

[(1, 28535571), (3, 9511857), (9, 3170619), (17, 1678563), (23, 1240677), (27, 1056873), (51, 559521), (53, 538407), (69, 413559), (81, 352291), (153, 186507), (159, 179469), (207, 137853), (289, 98739), (391, 72981), (459, 62169), (477, 59823), (621, 45951), (867, 32913), (901, 31671), (1173, 24327), (1219, 23409), (1377, 20723), (1431, 19941), (1863, 15317), (2601, 10971), (2703, 10557), (3519, 8109), (3657, 7803), (4293, 6647)]