24721281

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 42139944

約数和(自身を除く): 17418663

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1381, 1989, 4143, 5967, 12429, 17901, 17953, 23477, 37287, 53859, 70431, 111861, 161577, 211293, 305201, 484731, 633879, 915603, 1454193, 1901637, 2746809, 8240427, 24721281]

約数ペア:

[(1, 24721281), (3, 8240427), (9, 2746809), (13, 1901637), (17, 1454193), (27, 915603), (39, 633879), (51, 484731), (81, 305201), (117, 211293), (153, 161577), (221, 111861), (351, 70431), (459, 53859), (663, 37287), (1053, 23477), (1377, 17953), (1381, 17901), (1989, 12429), (4143, 5967)]