213560919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 394377984

約数和(自身を除く): 180817065

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 43, 51, 99, 117, 129, 143, 153, 187, 221, 227, 387, 429, 473, 559, 561, 663, 681, 731, 1287, 1419, 1677, 1683, 1989, 2043, 2193, 2431, 2497, 2951, 3859, 4257, 5031, 6149, 6579, 7293, 7491, 8041, 8853, 9503, 9761, 11577, 18447, 21879, 22473, 24123, 26559, 28509, 29283, 32461, 34731, 42449, 50167, 55341, 72369, 85527, 87849, 97383, 104533, 107371, 126893, 127347, 150501, 165937, 292149, 313599, 322113, 380679, 382041, 451503, 497811, 551837, 940797, 966339, 1142037, 1395823, 1493433, 1655511, 1825307, 2157181, 4187469, 4966533, 5475921, 6471543, 12562407, 16427763, 19414629, 23728991, 71186973, 213560919]

約数ペア:

[(1, 213560919), (3, 71186973), (9, 23728991), (11, 19414629), (13, 16427763), (17, 12562407), (33, 6471543), (39, 5475921), (43, 4966533), (51, 4187469), (99, 2157181), (117, 1825307), (129, 1655511), (143, 1493433), (153, 1395823), (187, 1142037), (221, 966339), (227, 940797), (387, 551837), (429, 497811), (473, 451503), (559, 382041), (561, 380679), (663, 322113), (681, 313599), (731, 292149), (1287, 165937), (1419, 150501), (1677, 127347), (1683, 126893), (1989, 107371), (2043, 104533), (2193, 97383), (2431, 87849), (2497, 85527), (2951, 72369), (3859, 55341), (4257, 50167), (5031, 42449), (6149, 34731), (6579, 32461), (7293, 29283), (7491, 28509), (8041, 26559), (8853, 24123), (9503, 22473), (9761, 21879), (11577, 18447)]