10987557

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 17510400

約数和(自身を除く): 6522843

約数列:

[1, 3, 7, 21, 37, 79, 111, 179, 237, 259, 537, 553, 777, 1253, 1659, 2923, 3759, 6623, 8769, 14141, 19869, 20461, 42423, 46361, 61383, 98987, 139083, 296961, 523217, 1569651, 3662519, 10987557]

約数ペア:

[(1, 10987557), (3, 3662519), (7, 1569651), (21, 523217), (37, 296961), (79, 139083), (111, 98987), (179, 61383), (237, 46361), (259, 42423), (537, 20461), (553, 19869), (777, 14141), (1253, 8769), (1659, 6623), (2923, 3759)]