31967355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 65138688

約数和(自身を除く): 33171333

約数列:

[1, 3, 5, 7, 15, 21, 23, 31, 35, 49, 61, 69, 93, 105, 115, 147, 155, 161, 183, 217, 245, 305, 345, 427, 465, 483, 651, 713, 735, 805, 915, 1085, 1127, 1281, 1403, 1519, 1891, 2135, 2139, 2415, 2989, 3255, 3381, 3565, 4209, 4557, 4991, 5635, 5673, 6405, 7015, 7595, 8967, 9455, 9821, 10695, 13237, 14945, 14973, 16905, 21045, 22785, 24955, 28365, 29463, 34937, 39711, 43493, 44835, 49105, 66185, 68747, 74865, 92659, 104811, 130479, 147315, 174685, 198555, 206241, 217465, 277977, 304451, 343735, 463295, 524055, 652395, 913353, 1031205, 1389885, 1522255, 2131157, 4566765, 6393471, 10655785, 31967355]

約数ペア:

[(1, 31967355), (3, 10655785), (5, 6393471), (7, 4566765), (15, 2131157), (21, 1522255), (23, 1389885), (31, 1031205), (35, 913353), (49, 652395), (61, 524055), (69, 463295), (93, 343735), (105, 304451), (115, 277977), (147, 217465), (155, 206241), (161, 198555), (183, 174685), (217, 147315), (245, 130479), (305, 104811), (345, 92659), (427, 74865), (465, 68747), (483, 66185), (651, 49105), (713, 44835), (735, 43493), (805, 39711), (915, 34937), (1085, 29463), (1127, 28365), (1281, 24955), (1403, 22785), (1519, 21045), (1891, 16905), (2135, 14973), (2139, 14945), (2415, 13237), (2989, 10695), (3255, 9821), (3381, 9455), (3565, 8967), (4209, 7595), (4557, 7015), (4991, 6405), (5635, 5673)]