16712871

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 10866009

約数列:

[1, 3, 7, 21, 41, 47, 49, 59, 123, 141, 147, 177, 287, 329, 413, 861, 987, 1239, 1927, 2009, 2303, 2419, 2773, 2891, 5781, 6027, 6909, 7257, 8319, 8673, 13489, 16933, 19411, 40467, 50799, 58233, 94423, 113693, 118531, 135877, 283269, 341079, 355593, 407631, 795851, 2387553, 5570957, 16712871]

約数ペア:

[(1, 16712871), (3, 5570957), (7, 2387553), (21, 795851), (41, 407631), (47, 355593), (49, 341079), (59, 283269), (123, 135877), (141, 118531), (147, 113693), (177, 94423), (287, 58233), (329, 50799), (413, 40467), (861, 19411), (987, 16933), (1239, 13489), (1927, 8673), (2009, 8319), (2303, 7257), (2419, 6909), (2773, 6027), (2891, 5781)]