421888203

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{17981}}^1$

素因数の和:18080

約数の個数: 32

約数和(自身を含む): 690508800

約数和(自身を除く): 268620597

約数列:

[1, 3, 9, 11, 27, 33, 79, 99, 237, 297, 711, 869, 2133, 2607, 7821, 17981, 23463, 53943, 161829, 197791, 485487, 593373, 1420499, 1780119, 4261497, 5340357, 12784491, 15625489, 38353473, 46876467, 140629401, 421888203]

約数ペア:

[(1, 421888203), (3, 140629401), (9, 46876467), (11, 38353473), (27, 15625489), (33, 12784491), (79, 5340357), (99, 4261497), (237, 1780119), (297, 1420499), (711, 593373), (869, 485487), (2133, 197791), (2607, 161829), (7821, 53943), (17981, 23463)]