9720655

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 14106240

約数和(自身を除く): 4385585

約数列:

[1, 5, 7, 29, 35, 61, 145, 157, 203, 305, 427, 785, 1015, 1099, 1769, 2135, 4553, 5495, 8845, 9577, 12383, 22765, 31871, 47885, 61915, 67039, 159355, 277733, 335195, 1388665, 1944131, 9720655]

約数ペア:

[(1, 9720655), (5, 1944131), (7, 1388665), (29, 335195), (35, 277733), (61, 159355), (145, 67039), (157, 61915), (203, 47885), (305, 31871), (427, 22765), (785, 12383), (1015, 9577), (1099, 8845), (1769, 5495), (2135, 4553)]