213027921

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 322816640

約数和(自身を除く): 109788719

約数列:

[1, 3, 9, 27, 61, 183, 211, 549, 613, 633, 1647, 1839, 1899, 5517, 5697, 12871, 16551, 37393, 38613, 112179, 115839, 129343, 336537, 347517, 388029, 1009611, 1164087, 3492261, 7889923, 23669769, 71009307, 213027921]

約数ペア:

[(1, 213027921), (3, 71009307), (9, 23669769), (27, 7889923), (61, 3492261), (183, 1164087), (211, 1009611), (549, 388029), (613, 347517), (633, 336537), (1647, 129343), (1839, 115839), (1899, 112179), (5517, 38613), (5697, 37393), (12871, 16551)]