17920402551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{1013}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 28245335040

約数和(自身を除く): 10324932489

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 467, 549, 621, 1013, 1401, 1403, 1647, 3039, 4203, 4209, 9117, 10741, 12609, 12627, 23299, 27351, 28487, 32223, 37881, 61793, 69897, 85461, 96669, 185379, 209691, 256383, 290007, 473071, 556137, 629073, 655201, 769149, 1419213, 1421239, 1668411, 1965603, 4257639, 4263717, 5896809, 10880633, 12772917, 12791151, 17690427, 28857331, 32641899, 38373453, 86571993, 97925697, 259715979, 293777091, 663718613, 779147937, 1991155839, 5973467517, 17920402551]

約数ペア:

[(1, 17920402551), (3, 5973467517), (9, 1991155839), (23, 779147937), (27, 663718613), (61, 293777091), (69, 259715979), (183, 97925697), (207, 86571993), (467, 38373453), (549, 32641899), (621, 28857331), (1013, 17690427), (1401, 12791151), (1403, 12772917), (1647, 10880633), (3039, 5896809), (4203, 4263717), (4209, 4257639), (9117, 1965603), (10741, 1668411), (12609, 1421239), (12627, 1419213), (23299, 769149), (27351, 655201), (28487, 629073), (32223, 556137), (37881, 473071), (61793, 290007), (69897, 256383), (85461, 209691), (96669, 185379)]