53121145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 84509568

約数和(自身を除く): 31388423

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 539, 805, 857, 1127, 1265, 1771, 2695, 4285, 5635, 5999, 8855, 9427, 12397, 19711, 29995, 41993, 47135, 61985, 65989, 98555, 137977, 209965, 216821, 329945, 461923, 689885, 965839, 1084105, 1517747, 2309615, 4829195, 7588735, 10624229, 53121145]

約数ペア:

[(1, 53121145), (5, 10624229), (7, 7588735), (11, 4829195), (23, 2309615), (35, 1517747), (49, 1084105), (55, 965839), (77, 689885), (115, 461923), (161, 329945), (245, 216821), (253, 209965), (385, 137977), (539, 98555), (805, 65989), (857, 61985), (1127, 47135), (1265, 41993), (1771, 29995), (2695, 19711), (4285, 12397), (5635, 9427), (5999, 8855)]