513681

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 797568

約数和(自身を除く): 283887

約数列:

[1, 3, 7, 21, 61, 183, 401, 427, 1203, 1281, 2807, 8421, 24461, 73383, 171227, 513681]

約数ペア:

[(1, 513681), (3, 171227), (7, 73383), (21, 24461), (61, 8421), (183, 2807), (401, 1281), (427, 1203)]