27957775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 9071105

約数列:

[1, 5, 17, 25, 85, 157, 419, 425, 785, 2095, 2669, 3925, 7123, 10475, 13345, 35615, 65783, 66725, 178075, 328915, 1118311, 1644575, 5591555, 27957775]

約数ペア:

[(1, 27957775), (5, 5591555), (17, 1644575), (25, 1118311), (85, 328915), (157, 178075), (419, 66725), (425, 65783), (785, 35615), (2095, 13345), (2669, 10475), (3925, 7123)]