257371123077

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{71389}}^1$

素因数の和:72170

約数の個数: 48

約数和(自身を含む): 405380976000

約数和(自身を除く): 148009852923

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 727, 1653, 2181, 4959, 6543, 13813, 21083, 41439, 63249, 71389, 124317, 189747, 214167, 400577, 642501, 1201731, 1356391, 2070281, 3605193, 4069173, 6210843, 12207519, 18632529, 39335339, 51899803, 118006017, 155699409, 354018051, 467098227, 986096257, 1505094287, 2958288771, 4515282861, 8874866313, 13545848583, 28596791453, 85790374359, 257371123077]

約数ペア:

[(1, 257371123077), (3, 85790374359), (9, 28596791453), (19, 13545848583), (29, 8874866313), (57, 4515282861), (87, 2958288771), (171, 1505094287), (261, 986096257), (551, 467098227), (727, 354018051), (1653, 155699409), (2181, 118006017), (4959, 51899803), (6543, 39335339), (13813, 18632529), (21083, 12207519), (41439, 6210843), (63249, 4069173), (71389, 3605193), (124317, 2070281), (189747, 1356391), (214167, 1201731), (400577, 642501)]