216953433

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{2897}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 321434568

約数和(自身を除く): 104481135

約数列:

[1, 3, 9, 53, 157, 159, 471, 477, 1413, 2897, 8321, 8691, 24963, 26073, 74889, 153541, 454829, 460623, 1364487, 1381869, 4093461, 24105937, 72317811, 216953433]

約数ペア:

[(1, 216953433), (3, 72317811), (9, 24105937), (53, 4093461), (157, 1381869), (159, 1364487), (471, 460623), (477, 454829), (1413, 153541), (2897, 74889), (8321, 26073), (8691, 24963)]