204862959

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 369792000

約数和(自身を除く): 164929041

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 89, 133, 171, 189, 267, 399, 513, 623, 641, 801, 1197, 1691, 1869, 1923, 2403, 3591, 4487, 5073, 5607, 5769, 11837, 12179, 13461, 15219, 16821, 17307, 35511, 36537, 40383, 45657, 57049, 85253, 106533, 109611, 121149, 171147, 255759, 319599, 328833, 399343, 513441, 767277, 1083931, 1198029, 1540323, 2301831, 3251793, 3594087, 7587517, 9755379, 10782261, 22762551, 29266137, 68287653, 204862959]

約数ペア:

[(1, 204862959), (3, 68287653), (7, 29266137), (9, 22762551), (19, 10782261), (21, 9755379), (27, 7587517), (57, 3594087), (63, 3251793), (89, 2301831), (133, 1540323), (171, 1198029), (189, 1083931), (267, 767277), (399, 513441), (513, 399343), (623, 328833), (641, 319599), (801, 255759), (1197, 171147), (1691, 121149), (1869, 109611), (1923, 106533), (2403, 85253), (3591, 57049), (4487, 45657), (5073, 40383), (5607, 36537), (5769, 35511), (11837, 17307), (12179, 16821), (13461, 15219)]