131121018

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2753

約数の個数: 80

約数和(自身を含む): 343717440

約数和(自身を除く): 212596422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 81, 86, 126, 129, 162, 189, 258, 301, 378, 387, 567, 602, 774, 903, 1134, 1161, 1806, 2322, 2689, 2709, 3483, 5378, 5418, 6966, 8067, 8127, 16134, 16254, 18823, 24201, 24381, 37646, 48402, 48762, 56469, 72603, 112938, 115627, 145206, 169407, 217809, 231254, 338814, 346881, 435618, 508221, 693762, 809389, 1016442, 1040643, 1524663, 1618778, 2081286, 2428167, 3049326, 3121929, 4856334, 6243858, 7284501, 9365787, 14569002, 18731574, 21853503, 43707006, 65560509, 131121018]

約数ペア:

[(1, 131121018), (2, 65560509), (3, 43707006), (6, 21853503), (7, 18731574), (9, 14569002), (14, 9365787), (18, 7284501), (21, 6243858), (27, 4856334), (42, 3121929), (43, 3049326), (54, 2428167), (63, 2081286), (81, 1618778), (86, 1524663), (126, 1040643), (129, 1016442), (162, 809389), (189, 693762), (258, 508221), (301, 435618), (378, 346881), (387, 338814), (567, 231254), (602, 217809), (774, 169407), (903, 145206), (1134, 115627), (1161, 112938), (1806, 72603), (2322, 56469), (2689, 48762), (2709, 48402), (3483, 37646), (5378, 24381), (5418, 24201), (6966, 18823), (8067, 16254), (8127, 16134)]