27777525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 49074240

約数和(自身を除く): 21296715

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 193, 285, 303, 475, 505, 579, 965, 1425, 1515, 1919, 2525, 2895, 3667, 4825, 5757, 7575, 9595, 11001, 14475, 18335, 19493, 28785, 47975, 55005, 58479, 91675, 97465, 143925, 275025, 292395, 370367, 487325, 1111101, 1461975, 1851835, 5555505, 9259175, 27777525]

約数ペア:

[(1, 27777525), (3, 9259175), (5, 5555505), (15, 1851835), (19, 1461975), (25, 1111101), (57, 487325), (75, 370367), (95, 292395), (101, 275025), (193, 143925), (285, 97465), (303, 91675), (475, 58479), (505, 55005), (579, 47975), (965, 28785), (1425, 19493), (1515, 18335), (1919, 14475), (2525, 11001), (2895, 9595), (3667, 7575), (4825, 5757)]