54545454

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 124994880

約数和(自身を除く): 70449426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 101, 137, 146, 202, 219, 274, 303, 411, 438, 606, 657, 822, 909, 1233, 1314, 1818, 1971, 2466, 2727, 3699, 3942, 5454, 7373, 7398, 10001, 13837, 14746, 20002, 22119, 27674, 30003, 41511, 44238, 60006, 66357, 83022, 90009, 124533, 132714, 180018, 199071, 249066, 270027, 373599, 398142, 540054, 747198, 1010101, 2020202, 3030303, 6060606, 9090909, 18181818, 27272727, 54545454]

約数ペア:

[(1, 54545454), (2, 27272727), (3, 18181818), (6, 9090909), (9, 6060606), (18, 3030303), (27, 2020202), (54, 1010101), (73, 747198), (101, 540054), (137, 398142), (146, 373599), (202, 270027), (219, 249066), (274, 199071), (303, 180018), (411, 132714), (438, 124533), (606, 90009), (657, 83022), (822, 66357), (909, 60006), (1233, 44238), (1314, 41511), (1818, 30003), (1971, 27674), (2466, 22119), (2727, 20002), (3699, 14746), (3942, 13837), (5454, 10001), (7373, 7398)]