25279527

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 18991833

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 357, 419, 507, 663, 1183, 1257, 1547, 2873, 2933, 3549, 4641, 5447, 7123, 8619, 8799, 16341, 20111, 21369, 38129, 49861, 60333, 70811, 92599, 114387, 149583, 212433, 277797, 495677, 648193, 1203787, 1487031, 1944579, 3611361, 8426509, 25279527]

約数ペア:

[(1, 25279527), (3, 8426509), (7, 3611361), (13, 1944579), (17, 1487031), (21, 1203787), (39, 648193), (51, 495677), (91, 277797), (119, 212433), (169, 149583), (221, 114387), (273, 92599), (357, 70811), (419, 60333), (507, 49861), (663, 38129), (1183, 21369), (1257, 20111), (1547, 16341), (2873, 8799), (2933, 8619), (3549, 7123), (4641, 5447)]