201987423

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 339855360

約数和(自身を除く): 137867937

約数列:

[1, 3, 9, 11, 19, 33, 57, 73, 99, 171, 209, 219, 627, 657, 803, 1387, 1471, 1881, 2409, 4161, 4413, 7227, 12483, 13239, 15257, 16181, 27949, 45771, 48543, 83847, 107383, 137313, 145629, 251541, 307439, 322149, 922317, 966447, 1181213, 2040277, 2766951, 3543639, 6120831, 10630917, 18362493, 22443047, 67329141, 201987423]

約数ペア:

[(1, 201987423), (3, 67329141), (9, 22443047), (11, 18362493), (19, 10630917), (33, 6120831), (57, 3543639), (73, 2766951), (99, 2040277), (171, 1181213), (209, 966447), (219, 922317), (627, 322149), (657, 307439), (803, 251541), (1387, 145629), (1471, 137313), (1881, 107383), (2409, 83847), (4161, 48543), (4413, 45771), (7227, 27949), (12483, 16181), (13239, 15257)]