28639815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3623}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 50098176

約数和(自身を除く): 21458361

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 3623, 7905, 10869, 18115, 54345, 61591, 112313, 184773, 307955, 336939, 561565, 923865, 1684695, 1909321, 5727963, 9546605, 28639815]

約数ペア:

[(1, 28639815), (3, 9546605), (5, 5727963), (15, 1909321), (17, 1684695), (31, 923865), (51, 561565), (85, 336939), (93, 307955), (155, 184773), (255, 112313), (465, 61591), (527, 54345), (1581, 18115), (2635, 10869), (3623, 7905)]