199928142

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{21401}}^1$

素因数の和:21585

約数の個数: 32

約数和(自身を含む): 446873760

約数和(自身を除く): 246945618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 3114, 4671, 9342, 21401, 42802, 64203, 128406, 192609, 385218, 577827, 1155654, 3702373, 7404746, 11107119, 22214238, 33321357, 66642714, 99964071, 199928142]

約数ペア:

[(1, 199928142), (2, 99964071), (3, 66642714), (6, 33321357), (9, 22214238), (18, 11107119), (27, 7404746), (54, 3702373), (173, 1155654), (346, 577827), (519, 385218), (1038, 192609), (1557, 128406), (3114, 64203), (4671, 42802), (9342, 21401)]