13420228905

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:2151

約数の個数: 64

約数和(自身を含む): 24085267200

約数和(自身を除く): 10665038295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 401, 471, 785, 1203, 1413, 1579, 2005, 2355, 3609, 4239, 4737, 6015, 7065, 7895, 10827, 14211, 18045, 21195, 23685, 42633, 54135, 62957, 71055, 188871, 213165, 247903, 314785, 566613, 633179, 743709, 944355, 1239515, 1699839, 1899537, 2231127, 2833065, 3165895, 3718545, 5698611, 6693381, 8499195, 9497685, 11155635, 17095833, 28493055, 33466905, 85479165, 99409103, 298227309, 497045515, 894681927, 1491136545, 2684045781, 4473409635, 13420228905]

約数ペア:

[(1, 13420228905), (3, 4473409635), (5, 2684045781), (9, 1491136545), (15, 894681927), (27, 497045515), (45, 298227309), (135, 99409103), (157, 85479165), (401, 33466905), (471, 28493055), (785, 17095833), (1203, 11155635), (1413, 9497685), (1579, 8499195), (2005, 6693381), (2355, 5698611), (3609, 3718545), (4239, 3165895), (4737, 2833065), (6015, 2231127), (7065, 1899537), (7895, 1699839), (10827, 1239515), (14211, 944355), (18045, 743709), (21195, 633179), (23685, 566613), (42633, 314785), (54135, 247903), (62957, 213165), (71055, 188871)]