419719209

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{2251}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 690084864

約数和(自身を除く): 270365655

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 683, 2049, 2251, 4781, 6753, 8879, 14343, 15757, 26637, 29263, 47271, 62153, 87789, 186459, 204841, 614523, 1537433, 4612299, 10762031, 19986629, 32286093, 59959887, 139906403, 419719209]

約数ペア:

[(1, 419719209), (3, 139906403), (7, 59959887), (13, 32286093), (21, 19986629), (39, 10762031), (91, 4612299), (273, 1537433), (683, 614523), (2049, 204841), (2251, 186459), (4781, 87789), (6753, 62153), (8879, 47271), (14343, 29263), (15757, 26637)]