81741114

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7164

約数の個数: 72

約数和(自身を含む): 221899860

約数和(自身を除く): 140158746

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 7129, 11466, 14258, 21387, 42774, 49903, 64161, 92677, 99806, 128322, 149709, 185354, 278031, 299418, 349321, 449127, 556062, 648739, 698642, 834093, 898254, 1047963, 1297478, 1668186, 1946217, 2095926, 3143889, 3892434, 4541173, 5838651, 6287778, 9082346, 11677302, 13623519, 27247038, 40870557, 81741114]

約数ペア:

[(1, 81741114), (2, 40870557), (3, 27247038), (6, 13623519), (7, 11677302), (9, 9082346), (13, 6287778), (14, 5838651), (18, 4541173), (21, 3892434), (26, 3143889), (39, 2095926), (42, 1946217), (49, 1668186), (63, 1297478), (78, 1047963), (91, 898254), (98, 834093), (117, 698642), (126, 648739), (147, 556062), (182, 449127), (234, 349321), (273, 299418), (294, 278031), (441, 185354), (546, 149709), (637, 128322), (819, 99806), (882, 92677), (1274, 64161), (1638, 49903), (1911, 42774), (3822, 21387), (5733, 14258), (7129, 11466)]