16728945

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 27855360

約数和(自身を除く): 11126415

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 389, 705, 915, 1167, 1945, 2867, 5835, 8601, 14335, 18283, 23729, 43005, 54849, 71187, 91415, 118645, 274245, 355935, 1115263, 3345789, 5576315, 16728945]

約数ペア:

[(1, 16728945), (3, 5576315), (5, 3345789), (15, 1115263), (47, 355935), (61, 274245), (141, 118645), (183, 91415), (235, 71187), (305, 54849), (389, 43005), (705, 23729), (915, 18283), (1167, 14335), (1945, 8601), (2867, 5835)]