23153571

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 43480320

約数和(自身を除く): 20326749

約数列:

[1, 3, 7, 9, 19, 21, 23, 29, 57, 63, 69, 87, 133, 161, 171, 203, 207, 261, 399, 437, 483, 551, 609, 667, 841, 1197, 1311, 1449, 1653, 1827, 2001, 2523, 3059, 3857, 3933, 4669, 4959, 5887, 6003, 7569, 9177, 11571, 12673, 14007, 15979, 17661, 19343, 27531, 34713, 38019, 42021, 47937, 52983, 58029, 88711, 111853, 114057, 135401, 143811, 174087, 266133, 335559, 367517, 406203, 798399, 1006677, 1102551, 1218609, 2572619, 3307653, 7717857, 23153571]

約数ペア:

[(1, 23153571), (3, 7717857), (7, 3307653), (9, 2572619), (19, 1218609), (21, 1102551), (23, 1006677), (29, 798399), (57, 406203), (63, 367517), (69, 335559), (87, 266133), (133, 174087), (161, 143811), (171, 135401), (203, 114057), (207, 111853), (261, 88711), (399, 58029), (437, 52983), (483, 47937), (551, 42021), (609, 38019), (667, 34713), (841, 27531), (1197, 19343), (1311, 17661), (1449, 15979), (1653, 14007), (1827, 12673), (2001, 11571), (2523, 9177), (3059, 7569), (3857, 6003), (3933, 5887), (4669, 4959)]