15990513

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 29111040

約数和(自身を除く): 13120527

約数列:

[1, 3, 7, 11, 21, 29, 31, 33, 49, 77, 87, 93, 121, 147, 203, 217, 231, 319, 341, 363, 539, 609, 651, 847, 899, 957, 1023, 1421, 1519, 1617, 2233, 2387, 2541, 2697, 3509, 3751, 4263, 4557, 5929, 6293, 6699, 7161, 9889, 10527, 11253, 15631, 16709, 17787, 18879, 24563, 26257, 29667, 44051, 46893, 50127, 69223, 73689, 78771, 108779, 132153, 171941, 183799, 207669, 326337, 484561, 515823, 551397, 761453, 1453683, 2284359, 5330171, 15990513]

約数ペア:

[(1, 15990513), (3, 5330171), (7, 2284359), (11, 1453683), (21, 761453), (29, 551397), (31, 515823), (33, 484561), (49, 326337), (77, 207669), (87, 183799), (93, 171941), (121, 132153), (147, 108779), (203, 78771), (217, 73689), (231, 69223), (319, 50127), (341, 46893), (363, 44051), (539, 29667), (609, 26257), (651, 24563), (847, 18879), (899, 17787), (957, 16709), (1023, 15631), (1421, 11253), (1519, 10527), (1617, 9889), (2233, 7161), (2387, 6699), (2541, 6293), (2697, 5929), (3509, 4557), (3751, 4263)]