20050173

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 35345856

約数和(自身を除く): 15295683

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 577, 891, 1053, 1287, 1731, 2673, 3159, 3861, 5193, 6347, 7501, 11583, 15579, 19041, 22503, 34749, 46737, 57123, 67509, 82511, 140211, 171369, 202527, 247533, 514107, 607581, 742599, 1542321, 1822743, 2227797, 6683391, 20050173]

約数ペア:

[(1, 20050173), (3, 6683391), (9, 2227797), (11, 1822743), (13, 1542321), (27, 742599), (33, 607581), (39, 514107), (81, 247533), (99, 202527), (117, 171369), (143, 140211), (243, 82511), (297, 67509), (351, 57123), (429, 46737), (577, 34749), (891, 22503), (1053, 19041), (1287, 15579), (1731, 11583), (2673, 7501), (3159, 6347), (3861, 5193)]