3991065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 6980736

約数和(自身を除く): 2989671

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 211, 291, 485, 633, 1055, 1261, 1455, 2743, 3165, 3783, 6305, 8229, 13715, 18915, 20467, 41145, 61401, 102335, 266071, 307005, 798213, 1330355, 3991065]

約数ペア:

[(1, 3991065), (3, 1330355), (5, 798213), (13, 307005), (15, 266071), (39, 102335), (65, 61401), (97, 41145), (195, 20467), (211, 18915), (291, 13715), (485, 8229), (633, 6305), (1055, 3783), (1261, 3165), (1455, 2743)]