664272843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1447}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 973056000

約数和(自身を除く): 308783157

約数列:

[1, 3, 13, 39, 79, 149, 237, 447, 1027, 1447, 1937, 3081, 4341, 5811, 11771, 18811, 35313, 56433, 114313, 153023, 215603, 342939, 459069, 646809, 1486069, 2802839, 4458207, 8408517, 17032637, 51097911, 221424281, 664272843]

約数ペア:

[(1, 664272843), (3, 221424281), (13, 51097911), (39, 17032637), (79, 8408517), (149, 4458207), (237, 2802839), (447, 1486069), (1027, 646809), (1447, 459069), (1937, 342939), (3081, 215603), (4341, 153023), (5811, 114313), (11771, 56433), (18811, 35313)]