27931215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 48416256

約数和(自身を除く): 20485041

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 631, 681, 1135, 1893, 2951, 3155, 3405, 8203, 8853, 9465, 14755, 24609, 41015, 44265, 123045, 143237, 429711, 716185, 1862081, 2148555, 5586243, 9310405, 27931215]

約数ペア:

[(1, 27931215), (3, 9310405), (5, 5586243), (13, 2148555), (15, 1862081), (39, 716185), (65, 429711), (195, 143237), (227, 123045), (631, 44265), (681, 41015), (1135, 24609), (1893, 14755), (2951, 9465), (3155, 8853), (3405, 8203)]