204885219

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 363110400

約数和(自身を除く): 158225181

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 343, 483, 539, 759, 787, 1029, 1127, 1617, 1771, 2361, 3381, 3773, 5313, 5509, 7889, 8657, 11319, 12397, 16527, 18101, 23667, 25971, 37191, 38563, 54303, 60599, 86779, 115689, 126707, 181797, 199111, 260337, 269941, 380121, 424193, 597333, 809823, 886949, 1272579, 1393777, 2660847, 2969351, 4181331, 6208643, 8908053, 9756439, 18625929, 29269317, 68295073, 204885219]

約数ペア:

[(1, 204885219), (3, 68295073), (7, 29269317), (11, 18625929), (21, 9756439), (23, 8908053), (33, 6208643), (49, 4181331), (69, 2969351), (77, 2660847), (147, 1393777), (161, 1272579), (231, 886949), (253, 809823), (343, 597333), (483, 424193), (539, 380121), (759, 269941), (787, 260337), (1029, 199111), (1127, 181797), (1617, 126707), (1771, 115689), (2361, 86779), (3381, 60599), (3773, 54303), (5313, 38563), (5509, 37191), (7889, 25971), (8657, 23667), (11319, 18101), (12397, 16527)]