401668821

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{9679}}^1$

素因数の和:9770

約数の個数: 32

約数和(自身を含む): 627264000

約数和(自身を除く): 225595179

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 477, 783, 1431, 1537, 4611, 9679, 13833, 29037, 41499, 87111, 261333, 280691, 512987, 842073, 1538961, 2526219, 4616883, 7578657, 13850649, 14876623, 44629869, 133889607, 401668821]

約数ペア:

[(1, 401668821), (3, 133889607), (9, 44629869), (27, 14876623), (29, 13850649), (53, 7578657), (87, 4616883), (159, 2526219), (261, 1538961), (477, 842073), (783, 512987), (1431, 280691), (1537, 261333), (4611, 87111), (9679, 41499), (13833, 29037)]