63821989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 82252800

約数和(自身を除く): 18430811

約数列:

[1, 7, 11, 67, 77, 89, 139, 469, 623, 737, 973, 979, 1529, 5159, 5963, 6853, 9313, 10703, 12371, 41741, 65191, 65593, 86597, 102443, 136081, 459151, 717101, 828857, 952567, 5801999, 9117427, 63821989]

約数ペア:

[(1, 63821989), (7, 9117427), (11, 5801999), (67, 952567), (77, 828857), (89, 717101), (139, 459151), (469, 136081), (623, 102443), (737, 86597), (973, 65593), (979, 65191), (1529, 41741), (5159, 12371), (5963, 10703), (6853, 9313)]