27978075

素因数分解:

$3^3\times 5^2\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 51906400

約数和(自身を除く): 23928325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 181, 225, 229, 543, 675, 687, 905, 1145, 1629, 2061, 2715, 3435, 4525, 4887, 5725, 6183, 8145, 10305, 13575, 17175, 24435, 30915, 40725, 41449, 51525, 122175, 124347, 154575, 207245, 373041, 621735, 1036225, 1119123, 1865205, 3108675, 5595615, 9326025, 27978075]

約数ペア:

[(1, 27978075), (3, 9326025), (5, 5595615), (9, 3108675), (15, 1865205), (25, 1119123), (27, 1036225), (45, 621735), (75, 373041), (135, 207245), (181, 154575), (225, 124347), (229, 122175), (543, 51525), (675, 41449), (687, 40725), (905, 30915), (1145, 24435), (1629, 17175), (2061, 13575), (2715, 10305), (3435, 8145), (4525, 6183), (4887, 5725)]