81741366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 218972160

約数和(自身を除く): 137230794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 47, 54, 63, 86, 94, 107, 126, 129, 141, 189, 214, 258, 282, 301, 321, 329, 378, 387, 423, 602, 642, 658, 749, 774, 846, 903, 963, 987, 1161, 1269, 1498, 1806, 1926, 1974, 2021, 2247, 2322, 2538, 2709, 2889, 2961, 4042, 4494, 4601, 5029, 5418, 5778, 5922, 6063, 6741, 8127, 8883, 9202, 10058, 12126, 13482, 13803, 14147, 15087, 16254, 17766, 18189, 20223, 27606, 28294, 30174, 32207, 35203, 36378, 40446, 41409, 42441, 45261, 54567, 64414, 70406, 82818, 84882, 90522, 96621, 105609, 109134, 124227, 127323, 135783, 193242, 211218, 216247, 248454, 254646, 271566, 289863, 316827, 381969, 432494, 579726, 633654, 648741, 763938, 869589, 950481, 1297482, 1513729, 1739178, 1900962, 1946223, 3027458, 3892446, 4541187, 5838669, 9082374, 11677338, 13623561, 27247122, 40870683, 81741366]

約数ペア:

[(1, 81741366), (2, 40870683), (3, 27247122), (6, 13623561), (7, 11677338), (9, 9082374), (14, 5838669), (18, 4541187), (21, 3892446), (27, 3027458), (42, 1946223), (43, 1900962), (47, 1739178), (54, 1513729), (63, 1297482), (86, 950481), (94, 869589), (107, 763938), (126, 648741), (129, 633654), (141, 579726), (189, 432494), (214, 381969), (258, 316827), (282, 289863), (301, 271566), (321, 254646), (329, 248454), (378, 216247), (387, 211218), (423, 193242), (602, 135783), (642, 127323), (658, 124227), (749, 109134), (774, 105609), (846, 96621), (903, 90522), (963, 84882), (987, 82818), (1161, 70406), (1269, 64414), (1498, 54567), (1806, 45261), (1926, 42441), (1974, 41409), (2021, 40446), (2247, 36378), (2322, 35203), (2538, 32207), (2709, 30174), (2889, 28294), (2961, 27606), (4042, 20223), (4494, 18189), (4601, 17766), (5029, 16254), (5418, 15087), (5778, 14147), (5922, 13803), (6063, 13482), (6741, 12126), (8127, 10058), (8883, 9202)]