211380855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 417623040

約数和(自身を除く): 206242185

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 47, 49, 87, 105, 141, 145, 147, 203, 211, 235, 245, 329, 435, 609, 633, 705, 735, 987, 1015, 1055, 1363, 1421, 1477, 1645, 2303, 3045, 3165, 4089, 4263, 4431, 4935, 6119, 6815, 6909, 7105, 7385, 9541, 9917, 10339, 11515, 18357, 20445, 21315, 22155, 28623, 29751, 30595, 31017, 34545, 42833, 47705, 49585, 51695, 66787, 69419, 91785, 128499, 143115, 148755, 155085, 200361, 208257, 214165, 287593, 299831, 333935, 347095, 485933, 642495, 862779, 899493, 1001805, 1041285, 1437965, 1457799, 1499155, 2013151, 2429665, 4313895, 4497465, 6039453, 7288995, 10065755, 14092057, 30197265, 42276171, 70460285, 211380855]

約数ペア:

[(1, 211380855), (3, 70460285), (5, 42276171), (7, 30197265), (15, 14092057), (21, 10065755), (29, 7288995), (35, 6039453), (47, 4497465), (49, 4313895), (87, 2429665), (105, 2013151), (141, 1499155), (145, 1457799), (147, 1437965), (203, 1041285), (211, 1001805), (235, 899493), (245, 862779), (329, 642495), (435, 485933), (609, 347095), (633, 333935), (705, 299831), (735, 287593), (987, 214165), (1015, 208257), (1055, 200361), (1363, 155085), (1421, 148755), (1477, 143115), (1645, 128499), (2303, 91785), (3045, 69419), (3165, 66787), (4089, 51695), (4263, 49585), (4431, 47705), (4935, 42833), (6119, 34545), (6815, 31017), (6909, 30595), (7105, 29751), (7385, 28623), (9541, 22155), (9917, 21315), (10339, 20445), (11515, 18357)]