1911975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 3562272

約数和(自身を除く): 1650297

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 53, 65, 75, 111, 159, 185, 195, 265, 325, 481, 555, 689, 795, 925, 975, 1325, 1443, 1961, 2067, 2405, 2775, 3445, 3975, 5883, 7215, 9805, 10335, 12025, 17225, 25493, 29415, 36075, 49025, 51675, 76479, 127465, 147075, 382395, 637325, 1911975]

約数ペア:

[(1, 1911975), (3, 637325), (5, 382395), (13, 147075), (15, 127465), (25, 76479), (37, 51675), (39, 49025), (53, 36075), (65, 29415), (75, 25493), (111, 17225), (159, 12025), (185, 10335), (195, 9805), (265, 7215), (325, 5883), (481, 3975), (555, 3445), (689, 2775), (795, 2405), (925, 2067), (975, 1961), (1325, 1443)]