2509515

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 4622400

約数和(自身を除く): 2112885

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 641, 783, 1305, 1923, 3205, 3915, 5769, 9615, 17307, 18589, 28845, 55767, 86535, 92945, 167301, 278835, 501903, 836505, 2509515]

約数ペア:

[(1, 2509515), (3, 836505), (5, 501903), (9, 278835), (15, 167301), (27, 92945), (29, 86535), (45, 55767), (87, 28845), (135, 18589), (145, 17307), (261, 9615), (435, 5769), (641, 3915), (783, 3205), (1305, 1923)]