25518753

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 18833247

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 87, 109, 117, 207, 261, 299, 327, 351, 377, 621, 667, 783, 897, 981, 1131, 1417, 2001, 2507, 2691, 2943, 3161, 3393, 4251, 6003, 7521, 8073, 8671, 9483, 10179, 12753, 18009, 22563, 26013, 28449, 32591, 38259, 41093, 67689, 72703, 78039, 85347, 97773, 123279, 218109, 234117, 293319, 369837, 654327, 879957, 945139, 1109511, 1962981, 2835417, 8506251, 25518753]

約数ペア:

[(1, 25518753), (3, 8506251), (9, 2835417), (13, 1962981), (23, 1109511), (27, 945139), (29, 879957), (39, 654327), (69, 369837), (87, 293319), (109, 234117), (117, 218109), (207, 123279), (261, 97773), (299, 85347), (327, 78039), (351, 72703), (377, 67689), (621, 41093), (667, 38259), (783, 32591), (897, 28449), (981, 26013), (1131, 22563), (1417, 18009), (2001, 12753), (2507, 10179), (2691, 9483), (2943, 8671), (3161, 8073), (3393, 7521), (4251, 6003)]