11211739

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 15040704

約数和(自身を除く): 3828965

約数列:

[1, 7, 11, 31, 49, 61, 77, 121, 217, 341, 427, 539, 671, 847, 1519, 1891, 2387, 2989, 3751, 4697, 5929, 7381, 13237, 16709, 20801, 26257, 32879, 51667, 92659, 145607, 183799, 228811, 361669, 1019249, 1601677, 11211739]

約数ペア:

[(1, 11211739), (7, 1601677), (11, 1019249), (31, 361669), (49, 228811), (61, 183799), (77, 145607), (121, 92659), (217, 51667), (341, 32879), (427, 26257), (539, 20801), (671, 16709), (847, 13237), (1519, 7381), (1891, 5929), (2387, 4697), (2989, 3751)]