211978890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{785107}}^1$

素因数の和:785123

約数の個数: 32

約数和(自身を含む): 565277760

約数和(自身を除く): 353298870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 785107, 1570214, 2355321, 3925535, 4710642, 7065963, 7851070, 11776605, 14131926, 21197889, 23553210, 35329815, 42395778, 70659630, 105989445, 211978890]

約数ペア:

[(1, 211978890), (2, 105989445), (3, 70659630), (5, 42395778), (6, 35329815), (9, 23553210), (10, 21197889), (15, 14131926), (18, 11776605), (27, 7851070), (30, 7065963), (45, 4710642), (54, 3925535), (90, 2355321), (135, 1570214), (270, 785107)]