215577477

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 345860800

約数和(自身を除く): 130283323

約数列:

[1, 3, 9, 19, 27, 57, 61, 83, 171, 183, 249, 513, 549, 747, 1159, 1577, 1647, 2241, 3477, 4731, 5063, 6889, 10431, 14193, 15189, 20667, 31293, 42579, 45567, 62001, 96197, 130891, 136701, 186003, 288591, 392673, 420229, 865773, 1178019, 1260687, 2597319, 3534057, 3782061, 7984351, 11346183, 23953053, 71859159, 215577477]

約数ペア:

[(1, 215577477), (3, 71859159), (9, 23953053), (19, 11346183), (27, 7984351), (57, 3782061), (61, 3534057), (83, 2597319), (171, 1260687), (183, 1178019), (249, 865773), (513, 420229), (549, 392673), (747, 288591), (1159, 186003), (1577, 136701), (1647, 130891), (2241, 96197), (3477, 62001), (4731, 45567), (5063, 42579), (6889, 31293), (10431, 20667), (14193, 15189)]