355317879

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{3923}}^1$

素因数の和:4179

約数の個数: 32

約数和(自身を含む): 572590080

約数和(自身を除く): 217272201

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 399, 681, 1589, 3923, 4313, 4767, 11769, 12939, 27461, 30191, 74537, 82383, 90573, 223611, 521759, 890521, 1565277, 2671563, 6233647, 16919899, 18700941, 50759697, 118439293, 355317879]

約数ペア:

[(1, 355317879), (3, 118439293), (7, 50759697), (19, 18700941), (21, 16919899), (57, 6233647), (133, 2671563), (227, 1565277), (399, 890521), (681, 521759), (1589, 223611), (3923, 90573), (4313, 82383), (4767, 74537), (11769, 30191), (12939, 27461)]