405243756

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{220721}}^1$

素因数の和:220751

約数の個数: 48

約数和(自身を含む): 1112438880

約数和(自身を除く): 707195124

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 220721, 441442, 662163, 882884, 1324326, 1986489, 2648652, 3752257, 3972978, 5959467, 7504514, 7945956, 11256771, 11918934, 15009028, 22513542, 23837868, 33770313, 45027084, 67540626, 101310939, 135081252, 202621878, 405243756]

約数ペア:

[(1, 405243756), (2, 202621878), (3, 135081252), (4, 101310939), (6, 67540626), (9, 45027084), (12, 33770313), (17, 23837868), (18, 22513542), (27, 15009028), (34, 11918934), (36, 11256771), (51, 7945956), (54, 7504514), (68, 5959467), (102, 3972978), (108, 3752257), (153, 2648652), (204, 1986489), (306, 1324326), (459, 882884), (612, 662163), (918, 441442), (1836, 220721)]