78871845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 136329984

約数和(自身を除く): 57458139

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 631, 641, 1893, 1923, 3155, 3205, 8203, 8333, 9465, 9615, 24609, 24999, 41015, 41665, 123045, 124995, 404471, 1213413, 2022355, 5258123, 6067065, 15774369, 26290615, 78871845]

約数ペア:

[(1, 78871845), (3, 26290615), (5, 15774369), (13, 6067065), (15, 5258123), (39, 2022355), (65, 1213413), (195, 404471), (631, 124995), (641, 123045), (1893, 41665), (1923, 41015), (3155, 24999), (3205, 24609), (8203, 9615), (8333, 9465)]