217438983

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{13109}}^1$

素因数の和:13231

約数の個数: 24

約数和(自身を含む): 334042800

約数和(自身を除く): 116603817

約数列:

[1, 3, 9, 19, 57, 97, 171, 291, 873, 1843, 5529, 13109, 16587, 39327, 117981, 249071, 747213, 1271573, 2241639, 3814719, 11444157, 24159887, 72479661, 217438983]

約数ペア:

[(1, 217438983), (3, 72479661), (9, 24159887), (19, 11444157), (57, 3814719), (97, 2241639), (171, 1271573), (291, 747213), (873, 249071), (1843, 117981), (5529, 39327), (13109, 16587)]