1420621279

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 1920925800

約数和(自身を除く): 500304521

約数列:

[1, 7, 11, 19, 49, 77, 133, 149, 209, 343, 361, 539, 931, 1043, 1463, 1639, 2401, 2527, 2831, 3773, 3971, 6517, 7301, 10241, 11473, 17689, 19817, 26411, 27797, 31141, 45619, 51107, 53789, 71687, 80311, 123823, 138719, 194579, 217987, 357749, 376523, 501809, 562177, 591679, 866761, 971033, 1362053, 1525909, 2635661, 3935239, 4141753, 6797231, 9534371, 10681363, 18449627, 28992271, 74769541, 129147389, 202945897, 1420621279]

約数ペア:

[(1, 1420621279), (7, 202945897), (11, 129147389), (19, 74769541), (49, 28992271), (77, 18449627), (133, 10681363), (149, 9534371), (209, 6797231), (343, 4141753), (361, 3935239), (539, 2635661), (931, 1525909), (1043, 1362053), (1463, 971033), (1639, 866761), (2401, 591679), (2527, 562177), (2831, 501809), (3773, 376523), (3971, 357749), (6517, 217987), (7301, 194579), (10241, 138719), (11473, 123823), (17689, 80311), (19817, 71687), (26411, 53789), (27797, 51107), (31141, 45619)]