642169755

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 1165086720

約数和(自身を除く): 522916965

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 223, 249, 257, 415, 669, 747, 771, 1115, 1245, 1285, 2007, 2241, 2313, 3345, 3735, 3855, 6021, 6939, 10035, 11205, 11565, 18509, 21331, 30105, 34695, 55527, 57311, 63993, 92545, 106655, 166581, 171933, 191979, 277635, 286555, 319965, 499743, 515799, 575937, 832905, 859665, 959895, 1547397, 2498715, 2578995, 2879685, 4756813, 7736985, 14270439, 23784065, 42811317, 71352195, 128433951, 214056585, 642169755]

約数ペア:

[(1, 642169755), (3, 214056585), (5, 128433951), (9, 71352195), (15, 42811317), (27, 23784065), (45, 14270439), (83, 7736985), (135, 4756813), (223, 2879685), (249, 2578995), (257, 2498715), (415, 1547397), (669, 959895), (747, 859665), (771, 832905), (1115, 575937), (1245, 515799), (1285, 499743), (2007, 319965), (2241, 286555), (2313, 277635), (3345, 191979), (3735, 171933), (3855, 166581), (6021, 106655), (6939, 92545), (10035, 63993), (11205, 57311), (11565, 55527), (18509, 34695), (21331, 30105)]