217468953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 350977536

約数和(自身を除く): 133508583

約数列:

[1, 3, 9, 13, 39, 47, 71, 117, 141, 213, 423, 557, 611, 639, 923, 1671, 1833, 2769, 3337, 5013, 5499, 7241, 8307, 10011, 21723, 26179, 30033, 39547, 43381, 65169, 78537, 118641, 130143, 235611, 340327, 355923, 390429, 514111, 1020981, 1542333, 1858709, 3062943, 4626999, 5576127, 16728381, 24163217, 72489651, 217468953]

約数ペア:

[(1, 217468953), (3, 72489651), (9, 24163217), (13, 16728381), (39, 5576127), (47, 4626999), (71, 3062943), (117, 1858709), (141, 1542333), (213, 1020981), (423, 514111), (557, 390429), (611, 355923), (639, 340327), (923, 235611), (1671, 130143), (1833, 118641), (2769, 78537), (3337, 65169), (5013, 43381), (5499, 39547), (7241, 30033), (8307, 26179), (10011, 21723)]