16938747

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 14165253

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 89, 133, 159, 171, 189, 267, 371, 399, 477, 513, 623, 801, 1007, 1113, 1197, 1431, 1691, 1869, 2403, 3021, 3339, 3591, 4717, 5073, 5607, 7049, 9063, 10017, 11837, 14151, 15219, 16821, 21147, 27189, 33019, 35511, 42453, 45657, 63441, 89623, 99057, 106533, 127359, 190323, 268869, 297171, 319599, 627361, 806607, 891513, 1882083, 2419821, 5646249, 16938747]

約数ペア:

[(1, 16938747), (3, 5646249), (7, 2419821), (9, 1882083), (19, 891513), (21, 806607), (27, 627361), (53, 319599), (57, 297171), (63, 268869), (89, 190323), (133, 127359), (159, 106533), (171, 99057), (189, 89623), (267, 63441), (371, 45657), (399, 42453), (477, 35511), (513, 33019), (623, 27189), (801, 21147), (1007, 16821), (1113, 15219), (1197, 14151), (1431, 11837), (1691, 10017), (1869, 9063), (2403, 7049), (3021, 5607), (3339, 5073), (3591, 4717)]