27900018

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 66355200

約数和(自身を除く): 38455182

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 342, 383, 426, 513, 639, 766, 1026, 1149, 1278, 1349, 1917, 2298, 2698, 3447, 3834, 4047, 6894, 7277, 8094, 10341, 12141, 14554, 20682, 21831, 24282, 27193, 36423, 43662, 54386, 65493, 72846, 81579, 130986, 163158, 196479, 244737, 392958, 489474, 516667, 734211, 1033334, 1468422, 1550001, 3100002, 4650003, 9300006, 13950009, 27900018]

約数ペア:

[(1, 27900018), (2, 13950009), (3, 9300006), (6, 4650003), (9, 3100002), (18, 1550001), (19, 1468422), (27, 1033334), (38, 734211), (54, 516667), (57, 489474), (71, 392958), (114, 244737), (142, 196479), (171, 163158), (213, 130986), (342, 81579), (383, 72846), (426, 65493), (513, 54386), (639, 43662), (766, 36423), (1026, 27193), (1149, 24282), (1278, 21831), (1349, 20682), (1917, 14554), (2298, 12141), (2698, 10341), (3447, 8094), (3834, 7277), (4047, 6894)]