213708315

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{751}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 349120512

約数和(自身を除く): 135412197

約数列:

[1, 3, 5, 15, 61, 183, 305, 311, 751, 915, 933, 1555, 2253, 3755, 4665, 11265, 18971, 45811, 56913, 94855, 137433, 229055, 233561, 284565, 687165, 700683, 1167805, 3503415, 14247221, 42741663, 71236105, 213708315]

約数ペア:

[(1, 213708315), (3, 71236105), (5, 42741663), (15, 14247221), (61, 3503415), (183, 1167805), (305, 700683), (311, 687165), (751, 284565), (915, 233561), (933, 229055), (1555, 137433), (2253, 94855), (3755, 56913), (4665, 45811), (11265, 18971)]