18045279

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 33611760

約数和(自身を除く): 15566481

約数列:

[1, 3, 7, 9, 17, 21, 29, 49, 51, 63, 83, 87, 119, 147, 153, 203, 249, 261, 357, 441, 493, 581, 609, 747, 833, 1071, 1411, 1421, 1479, 1743, 1827, 2407, 2499, 3451, 4067, 4233, 4263, 4437, 5229, 7221, 7497, 9877, 10353, 12201, 12699, 12789, 16849, 21663, 24157, 29631, 31059, 36603, 40919, 50547, 69139, 72471, 88893, 117943, 122757, 151641, 207417, 217413, 286433, 353829, 368271, 622251, 859299, 1061487, 2005031, 2577897, 6015093, 18045279]

約数ペア:

[(1, 18045279), (3, 6015093), (7, 2577897), (9, 2005031), (17, 1061487), (21, 859299), (29, 622251), (49, 368271), (51, 353829), (63, 286433), (83, 217413), (87, 207417), (119, 151641), (147, 122757), (153, 117943), (203, 88893), (249, 72471), (261, 69139), (357, 50547), (441, 40919), (493, 36603), (581, 31059), (609, 29631), (747, 24157), (833, 21663), (1071, 16849), (1411, 12789), (1421, 12699), (1479, 12201), (1743, 10353), (1827, 9877), (2407, 7497), (2499, 7221), (3451, 5229), (4067, 4437), (4233, 4263)]