27810855

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 50600160

約数和(自身を除く): 22789305

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 101, 145, 211, 261, 303, 435, 505, 633, 909, 1055, 1305, 1515, 1899, 2929, 3165, 4545, 6119, 8787, 9495, 14645, 18357, 21311, 26361, 30595, 43935, 55071, 63933, 91785, 106555, 131805, 191799, 275355, 319665, 618019, 958995, 1854057, 3090095, 5562171, 9270285, 27810855]

約数ペア:

[(1, 27810855), (3, 9270285), (5, 5562171), (9, 3090095), (15, 1854057), (29, 958995), (45, 618019), (87, 319665), (101, 275355), (145, 191799), (211, 131805), (261, 106555), (303, 91785), (435, 63933), (505, 55071), (633, 43935), (909, 30595), (1055, 26361), (1305, 21311), (1515, 18357), (1899, 14645), (2929, 9495), (3165, 8787), (4545, 6119)]