31784137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 41969664

約数和(自身を除く): 10185527

約数列:

[1, 7, 11, 23, 77, 131, 137, 161, 253, 917, 959, 1441, 1507, 1771, 3013, 3151, 10087, 10549, 17947, 21091, 22057, 33143, 34661, 125629, 197417, 232001, 242627, 412781, 1381919, 2889467, 4540591, 31784137]

約数ペア:

[(1, 31784137), (7, 4540591), (11, 2889467), (23, 1381919), (77, 412781), (131, 242627), (137, 232001), (161, 197417), (253, 125629), (917, 34661), (959, 33143), (1441, 22057), (1507, 21091), (1771, 17947), (3013, 10549), (3151, 10087)]