42866985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 78630912

約数和(自身を除く): 35763927

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 631, 647, 1893, 1941, 3155, 3235, 4417, 4529, 9465, 9705, 13251, 13587, 22085, 22645, 66255, 67935, 408257, 1224771, 2041285, 2857799, 6123855, 8573397, 14288995, 42866985]

約数ペア:

[(1, 42866985), (3, 14288995), (5, 8573397), (7, 6123855), (15, 2857799), (21, 2041285), (35, 1224771), (105, 408257), (631, 67935), (647, 66255), (1893, 22645), (1941, 22085), (3155, 13587), (3235, 13251), (4417, 9705), (4529, 9465)]