1921036743

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 3074803200

約数和(自身を除く): 1153766457

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 243, 249, 513, 557, 729, 747, 1539, 1577, 1671, 2187, 2241, 4617, 4731, 5013, 6723, 10583, 13851, 14193, 15039, 20169, 31749, 41553, 42579, 45117, 46231, 60507, 95247, 127737, 135351, 138693, 181521, 285741, 383211, 406053, 416079, 857223, 878389, 1149633, 1218159, 1248237, 2571669, 2635167, 3448899, 3744711, 7715007, 7905501, 11234133, 23145021, 23716503, 33702399, 71149509, 101107197, 213448527, 640345581, 1921036743]

約数ペア:

[(1, 1921036743), (3, 640345581), (9, 213448527), (19, 101107197), (27, 71149509), (57, 33702399), (81, 23716503), (83, 23145021), (171, 11234133), (243, 7905501), (249, 7715007), (513, 3744711), (557, 3448899), (729, 2635167), (747, 2571669), (1539, 1248237), (1577, 1218159), (1671, 1149633), (2187, 878389), (2241, 857223), (4617, 416079), (4731, 406053), (5013, 383211), (6723, 285741), (10583, 181521), (13851, 138693), (14193, 135351), (15039, 127737), (20169, 95247), (31749, 60507), (41553, 46231), (42579, 45117)]