28407687

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 48758784

約数和(自身を除く): 20351097

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3967, 7161, 11901, 27769, 43637, 83307, 122977, 130911, 305459, 368931, 860839, 916377, 1352747, 2582517, 4058241, 9469229, 28407687]

約数ペア:

[(1, 28407687), (3, 9469229), (7, 4058241), (11, 2582517), (21, 1352747), (31, 916377), (33, 860839), (77, 368931), (93, 305459), (217, 130911), (231, 122977), (341, 83307), (651, 43637), (1023, 27769), (2387, 11901), (3967, 7161)]