2111265

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 4085928

約数和(自身を除く): 1974663

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 401, 405, 585, 1053, 1203, 1755, 2005, 3609, 5213, 5265, 6015, 10827, 15639, 18045, 26065, 32481, 46917, 54135, 78195, 140751, 162405, 234585, 422253, 703755, 2111265]

約数ペア:

[(1, 2111265), (3, 703755), (5, 422253), (9, 234585), (13, 162405), (15, 140751), (27, 78195), (39, 54135), (45, 46917), (65, 32481), (81, 26065), (117, 18045), (135, 15639), (195, 10827), (351, 6015), (401, 5265), (405, 5213), (585, 3609), (1053, 2005), (1203, 1755)]