201521538

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{486767}}^1$

素因数の和:486798

約数の個数: 24

約数和(自身を含む): 455614848

約数和(自身を除く): 254093310

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 486767, 973534, 1460301, 2920602, 4380903, 8761806, 11195641, 22391282, 33586923, 67173846, 100760769, 201521538]

約数ペア:

[(1, 201521538), (2, 100760769), (3, 67173846), (6, 33586923), (9, 22391282), (18, 11195641), (23, 8761806), (46, 4380903), (69, 2920602), (138, 1460301), (207, 973534), (414, 486767)]