15865893

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 25858560

約数和(自身を除く): 9992667

約数列:

[1, 3, 9, 19, 31, 41, 57, 73, 93, 123, 171, 219, 279, 369, 589, 657, 779, 1271, 1387, 1767, 2263, 2337, 2993, 3813, 4161, 5301, 6789, 7011, 8979, 11439, 12483, 20367, 24149, 26937, 42997, 56867, 72447, 92783, 128991, 170601, 217341, 278349, 386973, 511803, 835047, 1762877, 5288631, 15865893]

約数ペア:

[(1, 15865893), (3, 5288631), (9, 1762877), (19, 835047), (31, 511803), (41, 386973), (57, 278349), (73, 217341), (93, 170601), (123, 128991), (171, 92783), (219, 72447), (279, 56867), (369, 42997), (589, 26937), (657, 24149), (779, 20367), (1271, 12483), (1387, 11439), (1767, 8979), (2263, 7011), (2337, 6789), (2993, 5301), (3813, 4161)]