287347878

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{231359}}^1$

素因数の和:231393

約数の個数: 32

約数和(自身を含む): 666316800

約数和(自身を除く): 378968922

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 231359, 462718, 694077, 1388154, 2082231, 4164462, 5321257, 6246693, 10642514, 12493386, 15963771, 31927542, 47891313, 95782626, 143673939, 287347878]

約数ペア:

[(1, 287347878), (2, 143673939), (3, 95782626), (6, 47891313), (9, 31927542), (18, 15963771), (23, 12493386), (27, 10642514), (46, 6246693), (54, 5321257), (69, 4164462), (138, 2082231), (207, 1388154), (414, 694077), (621, 462718), (1242, 231359)]