51415905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 87709824

約数和(自身を除く): 36293919

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 1237, 2445, 2771, 3711, 6185, 8313, 13855, 18555, 21029, 41565, 63087, 105145, 201631, 315435, 604893, 1008155, 3024465, 3427727, 10283181, 17138635, 51415905]

約数ペア:

[(1, 51415905), (3, 17138635), (5, 10283181), (15, 3427727), (17, 3024465), (51, 1008155), (85, 604893), (163, 315435), (255, 201631), (489, 105145), (815, 63087), (1237, 41565), (2445, 21029), (2771, 18555), (3711, 13855), (6185, 8313)]