42139923

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2879}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 27533037

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 2879, 4879, 8637, 14637, 20153, 48943, 60459, 118039, 146829, 342601, 354117, 826273, 1027803, 2006663, 2478819, 6019989, 14046641, 42139923]

約数ペア:

[(1, 42139923), (3, 14046641), (7, 6019989), (17, 2478819), (21, 2006663), (41, 1027803), (51, 826273), (119, 354117), (123, 342601), (287, 146829), (357, 118039), (697, 60459), (861, 48943), (2091, 20153), (2879, 14637), (4879, 8637)]