28941021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 17761635

約数列:

[1, 3, 9, 17, 43, 51, 53, 83, 129, 153, 159, 249, 387, 477, 731, 747, 901, 1411, 2193, 2279, 2703, 3569, 4233, 4399, 6579, 6837, 8109, 10707, 12699, 13197, 20511, 32121, 38743, 39591, 60673, 74783, 116229, 182019, 189157, 224349, 348687, 546057, 567471, 673047, 1702413, 3215669, 9647007, 28941021]

約数ペア:

[(1, 28941021), (3, 9647007), (9, 3215669), (17, 1702413), (43, 673047), (51, 567471), (53, 546057), (83, 348687), (129, 224349), (153, 189157), (159, 182019), (249, 116229), (387, 74783), (477, 60673), (731, 39591), (747, 38743), (901, 32121), (1411, 20511), (2193, 13197), (2279, 12699), (2703, 10707), (3569, 8109), (4233, 6837), (4399, 6579)]