81968436

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 237024480

約数和(自身を除く): 155056044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 109, 132, 162, 198, 211, 218, 297, 324, 327, 396, 422, 436, 594, 633, 654, 844, 891, 981, 1188, 1199, 1266, 1308, 1782, 1899, 1962, 2321, 2398, 2532, 2943, 3564, 3597, 3798, 3924, 4642, 4796, 5697, 5886, 6963, 7194, 7596, 8829, 9284, 10791, 11394, 11772, 13926, 14388, 17091, 17658, 20889, 21582, 22788, 22999, 27852, 32373, 34182, 35316, 41778, 43164, 45998, 62667, 64746, 68364, 68997, 83556, 91996, 97119, 125334, 129492, 137994, 188001, 194238, 206991, 250668, 252989, 275988, 376002, 388476, 413982, 505978, 620973, 752004, 758967, 827964, 1011956, 1241946, 1517934, 1862919, 2276901, 2483892, 3035868, 3725838, 4553802, 6830703, 7451676, 9107604, 13661406, 20492109, 27322812, 40984218, 81968436]

約数ペア:

[(1, 81968436), (2, 40984218), (3, 27322812), (4, 20492109), (6, 13661406), (9, 9107604), (11, 7451676), (12, 6830703), (18, 4553802), (22, 3725838), (27, 3035868), (33, 2483892), (36, 2276901), (44, 1862919), (54, 1517934), (66, 1241946), (81, 1011956), (99, 827964), (108, 758967), (109, 752004), (132, 620973), (162, 505978), (198, 413982), (211, 388476), (218, 376002), (297, 275988), (324, 252989), (327, 250668), (396, 206991), (422, 194238), (436, 188001), (594, 137994), (633, 129492), (654, 125334), (844, 97119), (891, 91996), (981, 83556), (1188, 68997), (1199, 68364), (1266, 64746), (1308, 62667), (1782, 45998), (1899, 43164), (1962, 41778), (2321, 35316), (2398, 34182), (2532, 32373), (2943, 27852), (3564, 22999), (3597, 22788), (3798, 21582), (3924, 20889), (4642, 17658), (4796, 17091), (5697, 14388), (5886, 13926), (6963, 11772), (7194, 11394), (7596, 10791), (8829, 9284)]