71741595

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 125411328

約数和(自身を除く): 53669733

約数列:

[1, 3, 5, 15, 31, 41, 53, 71, 93, 123, 155, 159, 205, 213, 265, 355, 465, 615, 795, 1065, 1271, 1643, 2173, 2201, 2911, 3763, 3813, 4929, 6355, 6519, 6603, 8215, 8733, 10865, 11005, 11289, 14555, 18815, 19065, 24645, 32595, 33015, 43665, 56445, 67363, 90241, 116653, 154283, 202089, 270723, 336815, 349959, 451205, 462849, 583265, 771415, 1010445, 1353615, 1749795, 2314245, 4782773, 14348319, 23913865, 71741595]

約数ペア:

[(1, 71741595), (3, 23913865), (5, 14348319), (15, 4782773), (31, 2314245), (41, 1749795), (53, 1353615), (71, 1010445), (93, 771415), (123, 583265), (155, 462849), (159, 451205), (205, 349959), (213, 336815), (265, 270723), (355, 202089), (465, 154283), (615, 116653), (795, 90241), (1065, 67363), (1271, 56445), (1643, 43665), (2173, 33015), (2201, 32595), (2911, 24645), (3763, 19065), (3813, 18815), (4929, 14555), (6355, 11289), (6519, 11005), (6603, 10865), (8215, 8733)]