211917.0000000

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 10063872

約数和(自身を除く): 4812327

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 191, 195, 235, 423, 573, 585, 611, 705, 955, 1719, 1833, 2115, 2483, 2865, 3055, 5499, 7449, 8595, 8977, 9165, 12415, 22347, 26931, 27495, 37245, 44885, 80793, 111735, 116701, 134655, 350103, 403965, 583505, 1050309, 1750515, 5251545]

約数ペア:

[(1, 5251545), (3, 1750515), (5, 1050309), (9, 583505), (13, 403965), (15, 350103), (39, 134655), (45, 116701), (47, 111735), (65, 80793), (117, 44885), (141, 37245), (191, 27495), (195, 26931), (235, 22347), (423, 12415), (573, 9165), (585, 8977), (611, 8595), (705, 7449), (955, 5499), (1719, 3055), (1833, 2865), (2115, 2483)]