80640063

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3404

約数の個数: 32

約数和(自身を含む): 137617920

約数和(自身を除く): 56977857

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3257, 3537, 8253, 9771, 22799, 24759, 29313, 68397, 87939, 205191, 426667, 615573, 1280001, 2986669, 3840003, 8960007, 11520009, 26880021, 80640063]

約数ペア:

[(1, 80640063), (3, 26880021), (7, 11520009), (9, 8960007), (21, 3840003), (27, 2986669), (63, 1280001), (131, 615573), (189, 426667), (393, 205191), (917, 87939), (1179, 68397), (2751, 29313), (3257, 24759), (3537, 22799), (8253, 9771)]