90271818

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7873}}^1$

素因数の和:7908

約数の個数: 72

約数和(自身を含む): 245054628

約数和(自身を除く): 154782810

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, 7873, 11466, 15746, 23619, 47238, 55111, 70857, 102349, 110222, 141714, 165333, 204698, 307047, 330666, 385777, 495999, 614094, 716443, 771554, 921141, 991998, 1157331, 1432886, 1842282, 2149329, 2314662, 3471993, 4298658, 5015101, 6447987, 6943986, 10030202, 12895974, 15045303, 30090606, 45135909, 90271818]

約数ペア:

[(1, 90271818), (2, 45135909), (3, 30090606), (6, 15045303), (7, 12895974), (9, 10030202), (13, 6943986), (14, 6447987), (18, 5015101), (21, 4298658), (26, 3471993), (39, 2314662), (42, 2149329), (49, 1842282), (63, 1432886), (78, 1157331), (91, 991998), (98, 921141), (117, 771554), (126, 716443), (147, 614094), (182, 495999), (234, 385777), (273, 330666), (294, 307047), (441, 204698), (546, 165333), (637, 141714), (819, 110222), (882, 102349), (1274, 70857), (1638, 55111), (1911, 47238), (3822, 23619), (5733, 15746), (7873, 11466)]