87191871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 132464640

約数和(自身を除く): 45272769

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 403, 533, 1209, 1271, 1599, 1759, 3813, 5277, 16523, 22867, 49569, 54529, 68601, 72119, 163587, 216357, 708877, 937547, 2126631, 2235689, 2812641, 6707067, 29063957, 87191871]

約数ペア:

[(1, 87191871), (3, 29063957), (13, 6707067), (31, 2812641), (39, 2235689), (41, 2126631), (93, 937547), (123, 708877), (403, 216357), (533, 163587), (1209, 72119), (1271, 68601), (1599, 54529), (1759, 49569), (3813, 22867), (5277, 16523)]