218885823

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 363767040

約数和(自身を除く): 144881217

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 261, 279, 377, 403, 899, 1131, 1209, 2081, 2697, 3393, 3627, 6243, 8091, 11687, 18729, 27053, 35061, 60349, 64511, 81159, 105183, 181047, 193533, 243477, 543141, 580599, 784537, 838643, 1870819, 2353611, 2515929, 5612457, 7060833, 7547787, 16837371, 24320647, 72961941, 218885823]

約数ペア:

[(1, 218885823), (3, 72961941), (9, 24320647), (13, 16837371), (29, 7547787), (31, 7060833), (39, 5612457), (87, 2515929), (93, 2353611), (117, 1870819), (261, 838643), (279, 784537), (377, 580599), (403, 543141), (899, 243477), (1131, 193533), (1209, 181047), (2081, 105183), (2697, 81159), (3393, 64511), (3627, 60349), (6243, 35061), (8091, 27053), (11687, 18729)]