28938615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 20654985

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1721, 3363, 5163, 5605, 8605, 16815, 25815, 32699, 98097, 101539, 163495, 304617, 490485, 507695, 1523085, 1929241, 5787723, 9646205, 28938615]

約数ペア:

[(1, 28938615), (3, 9646205), (5, 5787723), (15, 1929241), (19, 1523085), (57, 507695), (59, 490485), (95, 304617), (177, 163495), (285, 101539), (295, 98097), (885, 32699), (1121, 25815), (1721, 16815), (3363, 8605), (5163, 5605)]