211647501

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 352510704

約数和(自身を除く): 140863203

約数列:

[1, 3, 9, 13, 17, 39, 51, 97, 117, 153, 221, 291, 663, 873, 1097, 1261, 1649, 1989, 3291, 3783, 4947, 9873, 11349, 14261, 14841, 18649, 21437, 42783, 55947, 64311, 106409, 128349, 167841, 192933, 242437, 319227, 727311, 957681, 1383317, 1808953, 2181933, 4149951, 5426859, 12449853, 16280577, 23516389, 70549167, 211647501]

約数ペア:

[(1, 211647501), (3, 70549167), (9, 23516389), (13, 16280577), (17, 12449853), (39, 5426859), (51, 4149951), (97, 2181933), (117, 1808953), (153, 1383317), (221, 957681), (291, 727311), (663, 319227), (873, 242437), (1097, 192933), (1261, 167841), (1649, 128349), (1989, 106409), (3291, 64311), (3783, 55947), (4947, 42783), (9873, 21437), (11349, 18649), (14261, 14841)]