2789235

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 5122656

約数和(自身を除く): 2333421

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 97, 135, 213, 291, 355, 405, 485, 639, 873, 1065, 1455, 1917, 2619, 3195, 4365, 5751, 6887, 7857, 9585, 13095, 20661, 28755, 34435, 39285, 61983, 103305, 185949, 309915, 557847, 929745, 2789235]

約数ペア:

[(1, 2789235), (3, 929745), (5, 557847), (9, 309915), (15, 185949), (27, 103305), (45, 61983), (71, 39285), (81, 34435), (97, 28755), (135, 20661), (213, 13095), (291, 9585), (355, 7857), (405, 6887), (485, 5751), (639, 4365), (873, 3195), (1065, 2619), (1455, 1917)]