67661223

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2531}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 110192640

約数和(自身を除く): 42531417

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 2531, 3819, 7593, 8911, 17717, 26733, 48089, 53151, 144267, 169577, 336623, 508731, 1009869, 1187039, 3221963, 3561117, 9665889, 22553741, 67661223]

約数ペア:

[(1, 67661223), (3, 22553741), (7, 9665889), (19, 3561117), (21, 3221963), (57, 1187039), (67, 1009869), (133, 508731), (201, 336623), (399, 169577), (469, 144267), (1273, 53151), (1407, 48089), (2531, 26733), (3819, 17717), (7593, 8911)]