127978635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3079}}^1$

素因数の和:3267

約数の個数: 32

約数和(自身を含む): 218211840

約数和(自身を除く): 90233205

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 2445, 2771, 3079, 8313, 9237, 13855, 15395, 41565, 46185, 52343, 157029, 261715, 501877, 785145, 1505631, 2509385, 7528155, 8531909, 25595727, 42659545, 127978635]

約数ペア:

[(1, 127978635), (3, 42659545), (5, 25595727), (15, 8531909), (17, 7528155), (51, 2509385), (85, 1505631), (163, 785145), (255, 501877), (489, 261715), (815, 157029), (2445, 52343), (2771, 46185), (3079, 41565), (8313, 15395), (9237, 13855)]