31263309

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 56833920

約数和(自身を除く): 25570611

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 197, 229, 231, 591, 687, 693, 1379, 1603, 1773, 2061, 2167, 2519, 4137, 4809, 6501, 7557, 12411, 14427, 15169, 17633, 19503, 22671, 45113, 45507, 52899, 135339, 136521, 158697, 315791, 406017, 496243, 947373, 1488729, 2842119, 3473701, 4466187, 10421103, 31263309]

約数ペア:

[(1, 31263309), (3, 10421103), (7, 4466187), (9, 3473701), (11, 2842119), (21, 1488729), (33, 947373), (63, 496243), (77, 406017), (99, 315791), (197, 158697), (229, 136521), (231, 135339), (591, 52899), (687, 45507), (693, 45113), (1379, 22671), (1603, 19503), (1773, 17633), (2061, 15169), (2167, 14427), (2519, 12411), (4137, 7557), (4809, 6501)]