27881575

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 35979840

約数和(自身を除く): 8098265

約数列:

[1, 5, 25, 47, 61, 235, 305, 389, 1175, 1525, 1945, 2867, 9725, 14335, 18283, 23729, 71675, 91415, 118645, 457075, 593225, 1115263, 5576315, 27881575]

約数ペア:

[(1, 27881575), (5, 5576315), (25, 1115263), (47, 593225), (61, 457075), (235, 118645), (305, 91415), (389, 71675), (1175, 23729), (1525, 18283), (1945, 14335), (2867, 9725)]