421265999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3011}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 555171840

約数和(自身を除く): 133905841

約数列:

[1, 7, 11, 23, 77, 79, 161, 253, 553, 869, 1771, 1817, 3011, 6083, 12719, 19987, 21077, 33121, 69253, 139909, 231847, 237869, 484771, 761783, 1665083, 2616559, 5332481, 5470987, 18315913, 38296909, 60180857, 421265999]

約数ペア:

[(1, 421265999), (7, 60180857), (11, 38296909), (23, 18315913), (77, 5470987), (79, 5332481), (161, 2616559), (253, 1665083), (553, 761783), (869, 484771), (1771, 237869), (1817, 231847), (3011, 139909), (6083, 69253), (12719, 33121), (19987, 21077)]