221609229

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 322882560

約数和(自身を除く): 101273331

約数列:

[1, 3, 17, 43, 51, 129, 139, 417, 727, 731, 2181, 2193, 2363, 5977, 7089, 12359, 17931, 31261, 37077, 93783, 101053, 101609, 303159, 304827, 531437, 1594311, 1717901, 4345279, 5153703, 13035837, 73869743, 221609229]

約数ペア:

[(1, 221609229), (3, 73869743), (17, 13035837), (43, 5153703), (51, 4345279), (129, 1717901), (139, 1594311), (417, 531437), (727, 304827), (731, 303159), (2181, 101609), (2193, 101053), (2363, 93783), (5977, 37077), (7089, 31261), (12359, 17931)]