2155515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1576965

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 107, 237, 255, 321, 395, 535, 1185, 1343, 1605, 1819, 4029, 5457, 6715, 8453, 9095, 20145, 25359, 27285, 42265, 126795, 143701, 431103, 718505, 2155515]

約数ペア:

[(1, 2155515), (3, 718505), (5, 431103), (15, 143701), (17, 126795), (51, 42265), (79, 27285), (85, 25359), (107, 20145), (237, 9095), (255, 8453), (321, 6715), (395, 5457), (535, 4029), (1185, 1819), (1343, 1605)]