2008759905

素因数分解:

$3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{51133}}^1$

素因数の和:51247

約数の個数: 40

約数和(自身を含む): 3638081832

約数和(自身を除く): 1629321927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 291, 405, 485, 873, 1455, 2619, 4365, 7857, 13095, 39285, 51133, 153399, 255665, 460197, 766995, 1380591, 2300985, 4141773, 4959901, 6902955, 14879703, 20708865, 24799505, 44639109, 74398515, 133917327, 223195545, 401751981, 669586635, 2008759905]

約数ペア:

[(1, 2008759905), (3, 669586635), (5, 401751981), (9, 223195545), (15, 133917327), (27, 74398515), (45, 44639109), (81, 24799505), (97, 20708865), (135, 14879703), (291, 6902955), (405, 4959901), (485, 4141773), (873, 2300985), (1455, 1380591), (2619, 766995), (4365, 460197), (7857, 255665), (13095, 153399), (39285, 51133)]