2146905

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 56

約数和(自身を含む): 4197120

約数和(自身を除く): 2050215

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 135, 155, 171, 243, 279, 285, 405, 465, 513, 589, 729, 837, 855, 1215, 1395, 1539, 1767, 2511, 2565, 2945, 3645, 4185, 4617, 5301, 7533, 7695, 8835, 12555, 13851, 15903, 22599, 23085, 26505, 37665, 47709, 69255, 79515, 112995, 143127, 238545, 429381, 715635, 2146905]

約数ペア:

[(1, 2146905), (3, 715635), (5, 429381), (9, 238545), (15, 143127), (19, 112995), (27, 79515), (31, 69255), (45, 47709), (57, 37665), (81, 26505), (93, 23085), (95, 22599), (135, 15903), (155, 13851), (171, 12555), (243, 8835), (279, 7695), (285, 7533), (405, 5301), (465, 4617), (513, 4185), (589, 3645), (729, 2945), (837, 2565), (855, 2511), (1215, 1767), (1395, 1539)]