51021789

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26699}}^1$

素因数の和:26729

約数の個数: 24

約数和(自身を含む): 85226400

約数和(自身を除く): 34204611

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 26699, 80097, 186893, 347087, 560679, 1041261, 1308251, 2429609, 3924753, 7288827, 17007263, 51021789]

約数ペア:

[(1, 51021789), (3, 17007263), (7, 7288827), (13, 3924753), (21, 2429609), (39, 1308251), (49, 1041261), (91, 560679), (147, 347087), (273, 186893), (637, 80097), (1911, 26699)]