38901891

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 60825600

約数和(自身を除く): 21923709

約数列:

[1, 3, 7, 21, 79, 131, 179, 237, 393, 537, 553, 917, 1253, 1659, 2751, 3759, 10349, 14141, 23449, 31047, 42423, 70347, 72443, 98987, 164143, 217329, 296961, 492429, 1852471, 5557413, 12967297, 38901891]

約数ペア:

[(1, 38901891), (3, 12967297), (7, 5557413), (21, 1852471), (79, 492429), (131, 296961), (179, 217329), (237, 164143), (393, 98987), (537, 72443), (553, 70347), (917, 42423), (1253, 31047), (1659, 23449), (2751, 14141), (3759, 10349)]