256535487

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{26417}}^1$

素因数の和:26519

約数の個数: 24

約数和(自身を含む): 403878384

約数和(自身を除く): 147342897

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 26417, 79251, 237753, 343421, 1030263, 2192611, 3090789, 6577833, 19733499, 28503943, 85511829, 256535487]

約数ペア:

[(1, 256535487), (3, 85511829), (9, 28503943), (13, 19733499), (39, 6577833), (83, 3090789), (117, 2192611), (249, 1030263), (747, 343421), (1079, 237753), (3237, 79251), (9711, 26417)]