260135973

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1583}}^1$

素因数の和:1670

約数の個数: 36

約数和(自身を含む): 408957120

約数和(自身を除く): 148821147

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 961, 1583, 1767, 2883, 4749, 5301, 8649, 14247, 18259, 30077, 49073, 54777, 90231, 147219, 164331, 270693, 441657, 932387, 1521263, 2797161, 4563789, 8391483, 13691367, 28903997, 86711991, 260135973]

約数ペア:

[(1, 260135973), (3, 86711991), (9, 28903997), (19, 13691367), (31, 8391483), (57, 4563789), (93, 2797161), (171, 1521263), (279, 932387), (589, 441657), (961, 270693), (1583, 164331), (1767, 147219), (2883, 90231), (4749, 54777), (5301, 49073), (8649, 30077), (14247, 18259)]