201985995

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 125642805

約数列:

[1, 3, 5, 15, 157, 199, 431, 471, 597, 785, 995, 1293, 2155, 2355, 2985, 6465, 31243, 67667, 85769, 93729, 156215, 203001, 257307, 338335, 428845, 468645, 1015005, 1286535, 13465733, 40397199, 67328665, 201985995]

約数ペア:

[(1, 201985995), (3, 67328665), (5, 40397199), (15, 13465733), (157, 1286535), (199, 1015005), (431, 468645), (471, 428845), (597, 338335), (785, 257307), (995, 203001), (1293, 156215), (2155, 93729), (2355, 85769), (2985, 67667), (6465, 31243)]