206473491

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 351995904

約数和(自身を除く): 145522413

約数列:

[1, 3, 7, 9, 21, 47, 63, 103, 141, 309, 329, 423, 677, 721, 927, 987, 2031, 2163, 2961, 4739, 4841, 6093, 6489, 14217, 14523, 31819, 33887, 42651, 43569, 69731, 95457, 101661, 209193, 222733, 286371, 304983, 488117, 627579, 668199, 1464351, 2004597, 3277357, 4393053, 9832071, 22941499, 29496213, 68824497, 206473491]

約数ペア:

[(1, 206473491), (3, 68824497), (7, 29496213), (9, 22941499), (21, 9832071), (47, 4393053), (63, 3277357), (103, 2004597), (141, 1464351), (309, 668199), (329, 627579), (423, 488117), (677, 304983), (721, 286371), (927, 222733), (987, 209193), (2031, 101661), (2163, 95457), (2961, 69731), (4739, 43569), (4841, 42651), (6093, 33887), (6489, 31819), (14217, 14523)]