643473

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 1010880

約数和(自身を除く): 367407

約数列:

[1, 3, 9, 19, 53, 57, 71, 159, 171, 213, 477, 639, 1007, 1349, 3021, 3763, 4047, 9063, 11289, 12141, 33867, 71497, 214491, 643473]

約数ペア:

[(1, 643473), (3, 214491), (9, 71497), (19, 33867), (53, 12141), (57, 11289), (71, 9063), (159, 4047), (171, 3763), (213, 3021), (477, 1349), (639, 1007)]