19921587273

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6727993}}^1$

素因数の和:6728053

約数の個数: 24

約数和(自身を含む): 33586146048

約数和(自身を除く): 13664558775

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6727993, 20183979, 47095951, 60551937, 141287853, 316215671, 423863559, 948647013, 2213509697, 2845941039, 6640529091, 19921587273]

約数ペア:

[(1, 19921587273), (3, 6640529091), (7, 2845941039), (9, 2213509697), (21, 948647013), (47, 423863559), (63, 316215671), (141, 141287853), (329, 60551937), (423, 47095951), (987, 20183979), (2961, 6727993)]