64645353

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 100030788

約数和(自身を除く): 35385435

約数列:

[1, 3, 9, 19, 57, 101, 171, 197, 303, 361, 591, 909, 1083, 1773, 1919, 3249, 3743, 5757, 11229, 17271, 19897, 33687, 36461, 59691, 71117, 109383, 179073, 213351, 328149, 378043, 640053, 1134129, 3402387, 7182817, 21548451, 64645353]

約数ペア:

[(1, 64645353), (3, 21548451), (9, 7182817), (19, 3402387), (57, 1134129), (101, 640053), (171, 378043), (197, 328149), (303, 213351), (361, 179073), (591, 109383), (909, 71117), (1083, 59691), (1773, 36461), (1919, 33687), (3249, 19897), (3743, 17271), (5757, 11229)]