204920492787

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{157243}}^1$

素因数の和:157462

約数の個数: 48

約数和(自身を含む): 318694591488

約数和(自身を除く): 113774098701

約数列:

[1, 3, 9, 27, 31, 81, 93, 173, 243, 279, 519, 837, 1557, 2511, 4671, 5363, 7533, 14013, 16089, 42039, 48267, 144801, 157243, 434403, 471729, 1303209, 1415187, 4245561, 4874533, 12736683, 14623599, 27203039, 38210049, 43870797, 81609117, 131612391, 244827351, 394837173, 734482053, 843294209, 1184511519, 2203446159, 2529882627, 6610338477, 7589647881, 22768943643, 68306830929, 204920492787]

約数ペア:

[(1, 204920492787), (3, 68306830929), (9, 22768943643), (27, 7589647881), (31, 6610338477), (81, 2529882627), (93, 2203446159), (173, 1184511519), (243, 843294209), (279, 734482053), (519, 394837173), (837, 244827351), (1557, 131612391), (2511, 81609117), (4671, 43870797), (5363, 38210049), (7533, 27203039), (14013, 14623599), (16089, 12736683), (42039, 4874533), (48267, 4245561), (144801, 1415187), (157243, 1303209), (434403, 471729)]