201819159

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^2\times {\mathrm{149}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 312429000

約数和(自身を除く): 110609841

約数列:

[1, 3, 9, 19, 57, 89, 149, 171, 267, 447, 801, 1341, 1691, 2831, 5073, 7921, 8493, 13261, 15219, 23763, 25479, 39783, 71289, 119349, 150499, 251959, 451497, 755877, 1180229, 1354491, 2267631, 3540687, 10622061, 22424351, 67273053, 201819159]

約数ペア:

[(1, 201819159), (3, 67273053), (9, 22424351), (19, 10622061), (57, 3540687), (89, 2267631), (149, 1354491), (171, 1180229), (267, 755877), (447, 451497), (801, 251959), (1341, 150499), (1691, 119349), (2831, 71289), (5073, 39783), (7921, 25479), (8493, 23763), (13261, 15219)]